decrease side padding on submit buttons
moved icon styling to its own stylesheet
added min-height to .postContraint css class
added thumbtack and flag icons to action_icons.png sprite
added links for pinning and report a post
fixed sprite icon on cancel icon
added placeholder for no description on post show
added redcarpet (markdown gem)
added markdown helper method
fixed conditional for displaying post action links and added markdown helper method call on post description
enable quote setting on redcarpet
added markdown capabilities

* add-markdown-capability:
  enable quote setting on redcarpet
  fixed conditional for displaying post action links and added markdown helper method call on post description
  added markdown helper method
  added redcarpet (markdown gem)