guest_user support added for non-logged user
gem files updated
compass and livereload added
active admin stylesheet location changed
article show style updated
avatar upload option added to profile
avatar upload through paperclip
thumb picture added to comment and article.
bower_component folder ignored. glyphicon out font-awesome in.
privacy settings for comment and article actions are added.
migrated from bower to gems
sass bootstrap to less bootstrap
default user profile added
profile authorizer and in-place editing are added to user profile
input sanitization for articles and comment introduced in the model.
pagination with ajax
recent_articles pagination in the profile view is introduced
Merge branch 'dev'

Conflicts:
	.gitignore