Added 'National Insurance' option to Identity Type field and added upgrade function for it
upgrader function changes
Merge pull request #329 from monishdeb/HR-229

Hr 229, Added HR Absence Calendar Report
Code Cleanup and indentation
Merge pull request #327 from ti-nishant/HR-262

HR-262
--HR-256 Display entitlements in statistics even if no absences are recorded
Merge pull request #333 from monishdeb/HR-229

HR-229, Day column fixes on monthly chart
Merge pull request #332 from NileemaJadhav/HR-256

--HR-256 Display entitlements in statistics even if no absences are recorded
Notices fix