initial memcached integration
introduce cache zone identifier to keys
changed to ehcache inmemory store configuratinos
Update cache zone namings, Remove roles from being cached, added caching to loadOfficeById,  added caching to loadTenantById(not cached though), made  basicAuthenticationProcessingFilter bean to be depend on cachemanager bean
MIFOSX-259: make so loanTenantById gets cached correctly - also introduce delegatingCacheManager to allow us to introduce api and configuration to support switching cache solution runtime. At present caching is disabled through use of NoOpCacheManager.
minor issues in savings transfer
Merge pull request #583 from vishwasbabu/develop

minor issues in savings transfer
Added Holidays and working days details to api doc
MIFOSX-259: support runtime switching of cache through API. By default no-cache implementation is used.
track currency with accounting
Merge pull request #585 from vishwasbabu/develop

track currency with accounting
fix issues with sql patch number in previous pull request
bump up version numbers for release.
payment of loan charges from savings
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
MIFOSX-672: fix issue with FLAT interest calculation not correctly calculation prinicpal balance for final installments.
fix conflicts on cherry pick