Increment version to match android version 0.5.2
Merge pull request #1 from cloudmine/dev

Dev
Make Credentials not immutable
Fix Java 1.6 to 1.5 issues
Get rid of fixed todo
Add changing e-mail support
Merge pull request #3 from cloudmine/updateEmail

Add changing e-mail support
Add user name support
Merge pull request #2 from cloudmine/credentialsFix

Make Credentials not immutable
Add changing user name support, fix logging in support for username only users
Deprecate isLoggedIn methods as they will not always be accurate
Merge pull request #4 from cloudmine/userNames

Add user name support
Make CMURLBuilder mutable without breaking existing code
Fix shsitty merge
Allow for sending a push to specific channels, users
Push channel support
Support saving locally, break CMGeoPoint into an interface
Update CMGeopoint interface
Update changelog
Tests for creating and sending pushes