Fix popup position issue.

Reviewed by Zacky, spare-develope 8c1de856103c6329fd1a91a73d28ffde16a0cd48
Code Change & Subjects

  1. Seek for icon set and handle size issue.
      Referred link: http://www.flaticon.com/
  2. Redesign header.
  3. Design and complete cookies issue.
  4. Fix bug in event_manager.js
Code-Change & Use remote database
Retrieve BRANCH-INSTRUCTION, deleted wrongly.
add rc file for tern plugin of vim