add references to user and comment in vote model
modification of comment model
 * added references to user and post
 * added field body
modification in voto model to abusive mark
modification of post model
 * added comments relation
 * added hotness
modification in post decorator - added friendly_date method
mod in posts controller
 * exposed comments
 * hide abusive comments
added relations in user model
mods in comments controller
 * added decorators
 * added methods
added comments to routes
mods in post views
 * prepared to show comments
 * post in partial
added comments to post show view
 * partial for comment and form
 * some css
rework
 * comments partials
 * css
Gemfile from Heroku getting started