Minor mods - correcting for class name change on Ideas.
Added in admin to apps
Added in custom builds for unique CharFields, added in catches for the M2M between ideas and backers/users. Added in catch so that User model doesn't get treated as ideasapp.user
Incorporating the User model into the ideas model in both user (creator) and backers of the idea. Cleaned up naming. Added a votes class which represents +ve and -ve votes.
Err... other minor mods.