MIFOSX-1161: Adding new properties

Adding fields minRequiredBalance and allowOverdraftMinBalance to
SavingsProduct and SavingsAccount. No enforcement yet.
MIFOSX-1161: Enforce minRequiredBalance
added ApplySavings command
Merge pull request #980 from rishy/Batch-API

added ApplySavings command in Batch-API
Merge pull request #979 from lingalamadhukar/MIFOSX-1358

Update Install.md
updating documentation for MIFOSX-1324
MIFOSX-1275 : added table to maintain execution history of standing instructions
Merge pull request #981 from pramodn02/develop

MIFOSX-1275 : added table to maintain execution history of standing inst...
Merge pull request #982 from vishwasbabu/develop

updating documentation for MIFOSX-1324
Merging @rainerhessmer  changes around MIFOSX-1161
fix test failures
MIFOSX-1389, MIFOSX-1275 Adding apidocs