Pharmacy claims file creation.

- Added PharmacyClaimsController for creating pharmacy claims file.
- Fixed PharmacyClaimsIssuer to include multiple
IncludedPharmacyClaimInsurancePlans instead of just one.
- Changed ExecutionZoneCode to a char instead of a string.
- Increased maxRequestLength in order to handle large files.
- Added PharmacySubmissionViewModel & PharmacyClaimLevelViewModel.
- Added reference to AutoMapper.
- Added controllers for Medical and Supplemental files (these are empty
classes for now).