Added organization
Organization: user can make organization
Merge branch `feature/organization-new` of whiteship/yobi

from pull request 640
remove some initial data which bring about an error.
Project: create new Project on organization
Project: maintain input data on form validation error
Merge branch `organization` of alecsiel/yobi

from pull request 651
Merge branch `feature/organization` of changsung/yobi

from pull request 650
Organization: link to an organization
Merge branch 'org/link' of whiteship/yobi

from pull request 655
Organizatino: show projects and members
Merge branch 'org/home/projects' of whiteship/yobi

from pull request 657
Header: add new group button and change add button style
fix the 1060 issue about avatar images arrangement.
Merge branch 'feature/organization-add-button' of insanehong/hive

from pull request 684
user: UserApp.isRememberMe is deleted, use UserApp.currentUser

- UserApp.currentUser create user object using cookie when there is no
  session data
- utils.BasicAuthAction is edited because
  UserApp.authenticateWithPlainPassword does not return null anymore
- add tests
ShortcutKey: take single handler on one keySet
Pagination: fix incorrect shortcut key handlers.

- yobi.Pagination has refactored
move commentAndClose scripts into issue.View.js

ShortcutKey for commentAndClose has assigned as Ctrl+Shift+Enter
fix ShorcutKey help style