helper method -  show_avatar, castomize  follow_button
added default avatars and locales
remove unused files
changed app layout and added new views to video_list, user_block helper method
css: unfollow hover
partial restructuring
preview gif and video funs
show notice changed
follow & unfollow ajax links
follow & unfollow ajax links
repost_button helper
ajax like button
ajax repost button
optimize following? method
optimize repost? method