Remove docs and point to ones on dartlang.org.

Gemfile.lock

Index: Gemfile.lock
diff --git a/Gemfile.lock b/Gemfile.lock
index bbe0c7ebd5437703a781f5bd10d842cd304c43f7..e02197c22277c5fbd14452219e3f5c83f014eee3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,11 +2,6 @@ GEM
   remote: https://rubygems.org/
   specs:
     chunky_png (1.2.9)
-    classifier (1.3.3)
-      fast-stemmer (>= 1.0.0)
-    colorator (0.1)
-    commander (4.1.5)
-      highline (~> 1.6.11)
     compass (0.12.2)
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
@@ -14,46 +9,12 @@ GEM
     compass_twitter_bootstrap (2.0.3)
       compass
     dotenv (0.9.0)
-    fast-stemmer (1.0.2)
-    ffi (1.9.3)
     foreman (0.63.0)
       dotenv (>= 0.7)
       thor (>= 0.13.6)
     fssm (0.2.10)
-    highline (1.6.20)
-    jekyll (1.3.0)
-      classifier (~> 1.3)
-      colorator (~> 0.1)
-      commander (~> 4.1.3)
-      liquid (~> 2.5.2)
-      listen (~> 1.3)
-      maruku (~> 0.6.0)
-      pygments.rb (~> 0.5.0)
-      redcarpet (~> 2.3.0)
-      safe_yaml (~> 0.9.7)
-    kramdown (1.2.0)
-    liquid (2.5.4)
-    listen (1.3.1)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-      rb-kqueue (>= 0.2)
-    maruku (0.6.1)
-      syntax (>= 1.0.0)
-    posix-spawn (0.3.6)
-    pygments.rb (0.5.4)
-      posix-spawn (~> 0.3.6)
-      yajl-ruby (~> 1.1.0)
-    rb-fsevent (0.9.3)
-    rb-inotify (0.9.2)
-      ffi (>= 0.5.0)
-    rb-kqueue (0.2.0)
-      ffi (>= 0.5.0)
-    redcarpet (2.3.0)
-    safe_yaml (0.9.7)
     sass (3.2.12)
-    syntax (1.0.0)
     thor (0.18.1)
-    yajl-ruby (1.1.0)
 
 PLATFORMS
   ruby
@@ -62,6 +23,3 @@ DEPENDENCIES
   compass
   compass_twitter_bootstrap (~> 2.0.3)
   foreman
-  jekyll
-  kramdown
-  pygments.rb