Re-orgainzed database Structure
Added:
- TagApplication: represents a tag applied to an actual movie
- Vote: represents a user's vote on the accuracy of a TagApplication

Changes:
- MovieActions.cs: Added more error codes
   - Added SubmitterID to every request
   - Changed CastVoteForTag to CastVoteForTagApp
   - Changed AddNewTag to AddNewTagAndApply
   - Reviewed some functions
- MovieContext.cs: Added Votes and TagApplications
- Made a better database initialization that populates more useful data
- AddMovie codeBehind: Added submitter id to movieactions call
- MovieDetails: Added a statusLabel for voting