Added Mark all in filter as read feature

Service have been added to /statistics.json

Rake task to send mails to users

Terms of service and privacy policy feature.

If enabled, terms of service link will be shown in sign up page.

Remove unused code

Add fallback system to frontend I18n system

Services have been added to /statistics.json

tidying up

edits

Load the default locale and fall back to it on missing key
and interpolation errors

Redesign login page

Conflicts:
	Changelog.md

Fix aspect membership dropdown on people search page

Port everything under /contacts to bootstrap

[NEW] [WIP] #4466 Port settings pages to Bootstrap (edit profile, edit account, privacy, services)