django.utils.simplejson is deprecated
add button classes for styling when using yawd-admin - does
not affect the original admin site
django.conf.urls.defaults is deprecated in django1.5
remove debug prints
add prepare_value so that the field can be properly serialized when used
outside a model context
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
Merge branch 'master' into django1.5
update django version
Merge branch 'master' into django1.5