-Watcher services refactor (WatcherSvcReqHandler)
-All watcher services have been changed to generic form (better
mem/speed perf - especially for large requests) : and thus there is no
more no need for Moxy
-SerializedEventReader/Writer merged into EventDocument
-400 bad request is now returned in case of wrong event json request
body
EventCacheDialog - json data for event details are loaded in lazy
manner.
[FIX] EventCacheReader closed in finally blocks.