removing Web UI tutorials, updating remaining 4 to current release, + review pass

src/diagrams/tutorials/polymer-intro/template-code.graffle/data.plist

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
         <key>ActiveLayerIndex</key>
         <integer>0</integer>
         <key>ApplicationVersion</key>
         <array>
                 <string>com.omnigroup.OmniGrafflePro</string>
                 <string>139.18.0.187838</string>
@@ skipping 81 matching lines @@
 {\colortbl;\red255\green255\blue255;}
 \deftab720
 \pard\pardeftab720
 
 \f0\fs24 \cf0 &lt;polymer-element name="tute-stopwatch"&gt;\
  \
   &lt;template&gt;\
     &lt;style&gt;\
       ...\
     &lt;/style&gt;\
-    &lt;div id="stopwatch_container"&gt;\
+    &lt;div&gt;\
       &lt;div&gt;\
         \{\{counter\}\}\
       &lt;/div&gt;\
       &lt;div&gt;\
         &lt;button on-click="start"\
                 id="startButton"&gt;Start&lt;/button&gt;\
         &lt;button on-click="stop"\
                 id="stopButton"&gt;Stop&lt;/button&gt;\
         &lt;button on-click="reset"\
                 id="resetButton"&gt;Reset&lt;/button&gt;\
@@ skipping 261 matching lines @@
                         <string>LineGraphic</string>
                         <key>Head</key>
                         <dict>
                                 <key>ID</key>
                                 <integer>34178</integer>
                         </dict>
                         <key>ID</key>
                         <integer>34179</integer>
                         <key>Points</key>
                         <array>
-                                <string>{523, 340.31946954436427}</string>
-                                <string>{568, 340.40659760191818}</string>
+                                <string>{523, 340.167956414868}</string>
+                                <string>{568, 340.213762709832}</string>
                         </array>
                         <key>Style</key>
                         <dict>
                                 <key>stroke</key>
                                 <dict>
                                         <key>HeadArrow</key>
                                         <string>FilledArrow</string>
                                         <key>Legacy</key>
                                         <true/>
                                         <key>TailArrow</key>
@@ skipping 293 matching lines @@
                         <string>LineGraphic</string>
                         <key>Head</key>
                         <dict>
                                 <key>ID</key>
                                 <integer>34160</integer>
                         </dict>
                         <key>ID</key>
                         <integer>34163</integer>
                         <key>Points</key>
                         <array>
-                                <string>{112.48823709610618, 176}</string>
-                                <string>{193, 229.70258408417064}</string>
+                                <string>{112.46251754642608, 176}</string>
+                                <string>{193, 229.78124844228867}</string>
                         </array>
                         <key>Style</key>
                         <dict>
                                 <key>stroke</key>
                                 <dict>
                                         <key>HeadArrow</key>
                                         <string>FilledArrow</string>
                                         <key>Legacy</key>
                                         <true/>
                                         <key>TailArrow</key>
@@ skipping 123 matching lines @@
                 <key>twopiSeparation</key>
                 <real>0.0</real>
         </dict>
         <key>LinksVisible</key>
         <string>NO</string>
         <key>MagnetsVisible</key>
         <string>NO</string>
         <key>MasterSheets</key>
         <array/>
         <key>ModificationDate</key>
-        <string>2013-10-09 20:43:44 +0000</string>
+        <string>2013-10-09 23:45:27 +0000</string>
         <key>Modifier</key>
         <string>Mary Campione</string>
         <key>NotesVisible</key>
         <string>NO</string>
         <key>Orientation</key>
         <integer>2</integer>
         <key>OriginVisible</key>
         <string>NO</string>
         <key>PageBreaks</key>
         <string>YES</string>
@@ skipping 60 matching lines @@
                 <key>CurrentSheet</key>
                 <integer>0</integer>
                 <key>ExpandedCanvases</key>
                 <array>
                         <dict>
                                 <key>name</key>
                                 <string>Canvas 1</string>
                         </dict>
                 </array>
                 <key>Frame</key>
-                <string>{{702, 474}, {1104, 792}}</string>
+                <string>{{341, 547}, {1104, 792}}</string>
                 <key>ListView</key>
                 <true/>
                 <key>OutlineWidth</key>
                 <integer>142</integer>
                 <key>RightSidebar</key>
                 <true/>
                 <key>ShowRuler</key>
                 <true/>
                 <key>Sidebar</key>
                 <false/>
                 <key>SidebarWidth</key>
                 <integer>120</integer>
                 <key>VisibleRegion</key>
                 <string>{{0, 0}, {933, 638}}</string>
                 <key>Zoom</key>
                 <real>1</real>
                 <key>ZoomValues</key>
                 <array>
                         <array>
                                 <string>Canvas 1</string>
                                 <real>1</real>
                                 <real>1</real>
                         </array>
                 </array>
         </dict>
 </dict>
 </plist>