MIFOSX-1340 : corrected schedule generator to use calendar instance
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with amazon image details
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Merge pull request #974 from lingalamadhukar/MIFOSX-1235

MIFOSX-1235,MIFOSX-1365,MIFSOX-1204
Merge pull request #973 from pramodn02/MIFOSX-1340

MIFOSX-1340 : corrected schedule generator to use calendar instance
MIFOSX-1359 : refactored savings write services
Merge pull request #975 from pramodn02/MIFOSX-1359

MIFOSX-1359 : refactored savings write services
MIFOSX-1369 and update groupnamesbystaff report to core report