first draft of polymer element tutorial

src/diagrams/tutorials/web-ui/new-app-files.graffle/data.plist

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         <key>ApplicationVersion</key>
         <array>
                 <string>com.omnigroup.OmniGrafflePro</string>
-                <string>139.16.0.171715</string>
+                <string>139.18.0.187838</string>
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                 <key>Bounds</key>
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                 <string>SolidGraphic</string>
                 <key>ID</key>
@@ skipping 18 matching lines @@
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         <key>ColumnSpacing</key>
         <real>36</real>
         <key>CreationDate</key>
         <string>2013-04-05 18:31:06 +0000</string>
         <key>Creator</key>
         <string>Mary Campione</string>
         <key>DisplayScale</key>
-        <string>1 0/72 in = 1 0/72 in</string>
+        <string>1 0/72 in = 1.0000 in</string>
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         <integer>8</integer>
         <key>GraphicsList</key>
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                         <key>Class</key>
                         <string>ShapedGraphic</string>
                         <key>FitText</key>
@@ skipping 38 matching lines @@
                                         <string>NO</string>
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-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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 \f0\i\b\fs28 \cf2 Uses new-app-files-screenshot.png}</string>
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                                 <integer>2</integer>
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                         <string>NO</string>
@@ skipping 45 matching lines @@
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-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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 \f0\i\b\fs28 \cf2 Save to $tutorial/web-ui/images/new-app-files.png}</string>
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                         <string>LineGraphic</string>
                         <key>ID</key>
                         <integer>34122</integer>
                         <key>Points</key>
                         <array>
-                                <string>{238, 453.67220902612826}</string>
+                                <string>{238, 457.95226730310264}</string>
                                 <string>{376, 454}</string>
                         </array>
                         <key>Style</key>
                         <dict>
                                 <key>stroke</key>
                                 <dict>
                                         <key>HeadArrow</key>
                                         <string>FilledArrow</string>
                                         <key>Legacy</key>
                                         <true/>
@@ skipping 89 matching lines @@
                                         <string>NO</string>
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                         <key>Text</key>
                         <dict>
                                 <key>Align</key>
                                 <integer>0</integer>
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                                 <integer>2</integer>
                                 <key>Text</key>
-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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-\f0\fs24 \cf2 requires web_ui package}</string>
+\f0\fs24 \cf0 requires web_ui package}</string>
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                         <string>NO</string>
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                 <dict>
                         <key>Class</key>
                         <string>LineGraphic</string>
                         <key>ID</key>
@@ skipping 137 matching lines @@
                                         <string>NO</string>
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                                 <integer>2</integer>
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                                 <integer>2</integer>
                                 <key>Text</key>
-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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 \f0\fs24 \cf0 application files}</string>
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                                 <integer>2</integer>
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                         <key>Wrap</key>
                         <string>NO</string>
@@ skipping 36 matching lines @@
                                         <string>NO</string>
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                                 <integer>0</integer>
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                                 <integer>2</integer>
                                 <key>Text</key>
-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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@@ skipping 73 matching lines @@
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                                 <key>Text</key>
-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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 \f0\fs24 \cf0 compiled version of app\
 (created by running build.dart)}</string>
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+                        <string>{{95, 444}, {143, 32}}</string>
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                         <string>YES</string>
                         <key>Flow</key>
                         <string>Resize</string>
                         <key>FontInfo</key>
                         <dict>
                                 <key>Font</key>
                                 <string>HelveticaNeue</string>
@@ skipping 31 matching lines @@
                                         <string>NO</string>
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-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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 {\colortbl;\red255\green255\blue255;}
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-\f0\fs24 \cf0 builds project with Web UI}</string>
+\f0\fs24 \cf0 runs when files change,\
+useful for tasks like linting}</string>
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                         <key>Class</key>
@@ skipping 40 matching lines @@
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-                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf370
+                                <string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf390
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 {\colortbl;\red255\green255\blue255;}
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 \f0\fs24 \cf0 declares package dependencies}</string>
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                         <key>Wrap</key>
                         <string>NO</string>
@@ skipping 77 matching lines @@
                 <key>twopiSeparation</key>
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         <key>MagnetsVisible</key>
         <string>NO</string>
         <key>MasterSheets</key>
         <array/>
         <key>ModificationDate</key>
-        <string>2013-04-05 20:51:19 +0000</string>
+        <string>2013-09-05 19:35:18 +0000</string>
         <key>Modifier</key>
         <string>Mary Campione</string>
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         <key>OriginVisible</key>
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         <key>PageBreaks</key>
         <string>YES</string>
@@ skipping 88 matching lines @@
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