Change top menu and site menu some styles.
Add Set Language plugin.
Update models.py

fix：当值为空时，取值多了个,号
Update dashboard.py

fix:it's not working when batch deletes
Active plugin depends on 'django.middleware.locale.LocaleMiddleware' in settings.MIDDLEWARE_CLASSES
Fix some style error includes formset and login icons.
Fix send error user message display error.
Merge pull request #59 from wbcyclist/master

fix widget delete bug
fix widget delete bug

fix widget delete bug
Improve Dashboard widget management.
Improve Dashboard widget management.
Merge branch 'master' of github.com:sshwsfc/django-xadmin
Fix formsets style
Fix quickform refresh bug, Fixed #57
Fix filters and data ist js bugs.
Fix nav-accordion position.
Merge branch 'master' of github.com:sshwsfc/django-xadmin
Merge remote-tracking branch 'source/master'
Merge branch 'master' into p
Support method or func action.