Handled the null values of DOB components
Correctly load the previously saved district and assembly constituency entries
Persistence using SharedPreferences implemented
Persistence using SharedPreferences implemented
Persistence using SharedPreferences implemented
Persistence using SharedPreferences implemented
Persistence using SharedPreferences implemented
Persistence using SharedPreferences implemented
New custom application class for returning the context
Merge branch 'master' of https://github.com/amahule/Voter_Registration