Add abbreviations

Closes #290.

assets/javascripts/models/entry.coffee

@@ -52,9 +52,15 @@ class app.models.Entry extends app.Model
     'javascript': 'js'
     'jquery': '$'
     'knockout.js': 'ko'
+    'less': 'ls'
     'lodash': '_'
     'markdown': 'md'
+    'modernizr': 'mdr'
+    'moment.js': 'mt'
+    'nginx': 'ngx'
     'postgresql': 'pg'
     'python': 'py'
+    'ruby.on.rails': 'ror'
+    'ruby': 'rb'
     'sass': 'scss'
     'underscore.js': '_'