--Notice fixes
Merge pull request #592 from NileemaJadhav/HR-378-work

HR-378 Modificaiton for cost calucalation report and current employee report
Merge pull request #595 from NileemaJadhav/HR-13-fix

--Notice fixes
HR-377 test cases fixes according to HR-378 report changes
--Typo error fix
Merge pull request #597 from NileemaJadhav/HR-13-fix

HR-377 test cases fixes according to HR-378 report changes
HR-378 Modification in query to add open end date of job