updated google dojo versions up to 1.8.3 according to https://developers.google.com/speed/libraries/devguide#dojo
Merge pull request #109 from zalmoxis/master

updated google versions up to 1.8.3
Merge pull request #110 from williambr/master

 Use builtin json instead of django.utils.simplejson deprecated in 1.5
Do version-dependent imports
Bump version 0.5.6
Mark dojango as 0.5.7 alpha