Merge pull request #197 from Rakeshadlagatta/master

Event Validation.GRN,Item update
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Merge remote-tracking branch 'upstream/master'
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Merge pull request #198 from Ranjith15/master

Email button
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Merge remote-tracking branch 'upstream/master'
'PDFEmail'
Merge pull request #199 from LAshokReddy556/master

Email Changes
contractPeriodChange
Merge remote-tracking branch 'upstream/master'
'contract_period change'
EventActionGetChange
Merge pull request #201 from LAshokReddy556/master

Contract Period & App user
small fixes