Update clientversion.h
Update clientversion.h

updating version to 2.1.2
MinuteManReserve/mmr-core,aspaas/ion,aspaas/ion,aspaas/ion,aspaas/ion,MinuteManReserve/mmr-core,MinuteManReserve/mmr-core,aspaas/ion,aspaas/ion,MinuteManReserve/mmr-core,MinuteManReserve/mmr-core