Added Holidays and working days details to api doc
bump up version numbers for release.
MIFOSX-672: fix issue with FLAT interest calculation not correctly calculation prinicpal balance for final installments.
MIFOSX-671: ensure summary fields like balance on transactions are updated in the case where account is activated and deposit automatically made.
Merge remote-tracking branch 'ashok/MIFOSX663' into mifosplatform-1.9.2
MIFOSX-633: fix typos
minor fixes while prepping for 1.9.2 release
Merge pull request #587 from vishwasbabu/mifosplatform-1.9.2

minor fixes while prepping for 1.9.2 release
Update CHANGELOG.md

for 1.9.2 release
Update CHANGELOG.md

fix typos
merging 1.9.2 release into develop branch