Can't delete all with group/having

5041 total user statistic shouldnt include closed accounts

Update the help section #5698

Mobile: fix style of 'more' button

Adjust jsxc initialization for ajax login

* prevent default event in JS handlers to prevent jumping back to the
  top.
* Use js-routes
* Use sprite for icons
* Reply with 200 instead of 204 when destroying a participation,
  to prevent errors in the browser console.

Adding help section for chat

related to diaspora/jsxc#81

5690 update stream on reshare

tests for reshares

Changelog.md update

fixing a style issue

removed unnecessary semicolon

Fixes issue #5625

Add #clear_account! disable mail spec

Add migration for disabling mail for all closed accounts

Change migration to use #update_all for disable_mail attribute

Add #clear_account! false fields spec

Contacts page: 'Start a conversation' button should depend on number of contacts in aspect