Form for create new comments move to `.content` from `.comments`.
Load scripts at the end and async.
Refactoring comments script: create $(this) once.
Update HTML5-History-API and use compressed version.
Refactoring: replace string on symbol.
Fix: load script sync.
Add placeholder for description of the use Markdown.
Refactoring name use for comments metadata and comments controls.

+ Rename .comment_action on .comments_controls;
+ Move .comments_controls from .comments_metadata.
Refactoring: replace unless on ||.
Refactoring blinks: handle only relative path.
Add comments for code.
Add new color: light gray.
Add comments count for last articles.
Add AcountsController.
Render accounts#index and accounts#new in users#show.
Add view for accounts#index.
Add view for accounts#new.
Move sessions helper to accounts helper.
Add helper for view all badges.
Temporary comment require - it's ruby current version bug.