When calf event recorded, details of mother now sent
Bug Fixes
Fixed two bugs
   - SQLite database now being trunctated before updated farmer
     data is inserted
   - Size of the previous service spinner checked before trying
     to get data out of it
Several Features implemented
   - Constraints on events based on age of the cow implemented
   - Number of cows owned by farmer checked during farmer reg
   - SQLite database updated to cater for the event constraints
     table
Bug fixes
   - Issue of okay button not showing up in breed and deformity
     dialogs in some devices fixed. The ok button now part of the
     breed/deformity scrollview
Regristration with already registered sim and AutoRotate

During farmer registration, on submit user is told if sim card
already registered under another farmer (instead of just keeping
quiet)

AutoRotate disabled for all activities except:
   - MilkProductionHistory activity
   - EventHistory activity