Fix bug in an already existing project not exist Profile
Added logger
modified:   userena/views.py
modified:   userena/admin.py
Added dajax
modified:   middleware.py
modified:   views.py
new file:   ajax.py
new file:   templates/userena/sigup_ajax.html
Merge remote-tracking branch 'upstream/master'

Conflicts:
	userena/admin.py
	userena/views.py
Merge remote-tracking branch 'origin/master'
merge upstream
added ajax login form
modified:   ajax.py
new file:   templates/userena/signin_ajax.html
renamed:    templates/userena/sigup_ajax.html -> templates/userena/signup_ajax.html
modify ajax login form
modify ajax login form
modified:   ajax.py
modified:   urls.py
change login redirect
modified:   ajax.py
modify form
fix bug create profile
modify template
added idea ignore
added idea ignore