Merge branch 'hotfix'

* hotfix:
  remove list limit
add 'create task' button on show work item modal
display all related work items
refactor related item helper
Merge branch 'hotfix'

* hotfix:
  fix last comment delete bug
Merge branch 'work_item_relation'

* work_item_relation:
  refactor related item helper
  display all related work items
  add 'create task' button on show work item modal
add 'delete work group' button on create work item modal.
add google login link
Merge pull request #76 from eskim/hotfix

fix work item status select
Merge pull request #75 from eskim/delete-work-group

add 'delete work group' button on create work item modal.
fix avatarUrl
profile sync
Merge pull request #78 from eskim/gmail-login

Gmail login
merge master

* master:
  profile sync
  fix avatarUrl
  add google login link
  add 'delete work group' button on create work item modal.
  refactor related item helper
  display all related work items
  add 'create task' button on show work item modal
fix user needs user bug