Updated autorizationNumber from int to long
Added method for adding new manual bill
Implemented AlertDialog for adding missing bill values
Implemented double-alertDialog pop-up for missing bill values
updated lint.xml
Added documentation and redefined method identifiers
Merge remote-tracking branch 'upstream/master' into SaveManualBIll
Corrected minor merging issues
AddManualBill method separated from button functionality. Button adds new blank row.
Merge pull request #7 from francomontiel/SaveManualBIll

Merged Save manual bill branch