another big commit :D

Gemfile.lock

@@ -48,7 +48,9 @@ GEM
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
+    github-markdown (0.5.5)
     hike (1.2.2)
+    hirb (0.7.1)
     i18n (0.6.4)
     journey (1.0.4)
     jquery-rails (2.2.1)
@@ -87,15 +89,12 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     rake (10.0.4)
-    rbbcode (1.0.3)
-      sanitize
-      treetop
+    rb-readline (0.5.0)
     rdoc (3.12.2)
       json (~> 1.4)
     ref (1.0.4)
     sanitize (2.0.3)
       nokogiri (>= 1.4.4, < 1.6)
-      nokogiri (>= 1.4.4, < 1.6)
     sass (3.2.9)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
@@ -122,6 +121,7 @@ GEM
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
+    webrick (1.3.1)
 
 PLATFORMS
   ruby
@@ -131,11 +131,15 @@ DEPENDENCIES
   better_errors
   binding_of_caller
   coffee-rails (~> 3.2.1)
+  github-markdown
+  hirb
   jquery-rails
   rails (= 3.2.12)
-  rbbcode
+  rb-readline
+  sanitize
   sass-rails (~> 3.2.3)
   simple_form
   sqlite3
   therubyracer
   uglifier (>= 1.0.3)
+  webrick