Merge pull request #287 from dolnex/master

Added support of czech language
Added Q-dance to showcase
Moving to Vanilla JS (closes #291)
Base template now renders messages (closes #292)
Replace user.email with helper function (closes #294)
Merge pull request #295 from pjreddie/master

Replace user.email with helper function (closes #294)
Make connecting accounts explicit (closes #282)
Test suite update for new process param
Added Facebook logout
Check for a custom username-field when generating unique usernames

Respect USER_MODEL_USERNAME_FIELD when generating unique usernames in
the allauth/utils.py generate_unique_username function
Removed hardcodedness with respect to first/last_name
SocialAccountTests run with a custom user model (closes #300)
Extra check for user model fields (related to #300)
Merge pull request #1 from pennersr/master

merge