Refactored the styles. JavaScript was extracted to the separate file #7

revizor-7 Implement "Reply to..." and mentions functionality
Add reply button action #7
Commit missing files #7
Merge branch 'revizor-7-reply-to' of github.com:w32blaster/revizor into revizor-7-reply-to
Correct the comment hierarchy layout #7
Add indent to replies #7

Now when you reply to any comment, a fresh comment will appear with correct indent.
Furthermore, now all the comments are displayed in correct chronological order.
Reply to just created comment#7

Before this commit, you had to refresh the page after you added a comment,
 because replies container was not appended to the HTML output. Now this
 issue is fixed
Improved Cancel button for a form to add new comment #7
Improved notification message. This commit closes #7
Implemented section "Replies to me" in the Comments page #7
Add MentionJS #close #7