Implemented API selector in AS
Implemented API selector in UA (HTTP). Also added a counter singleton class
Implemented API selector in UA (WS)
Merge branch 'develop' into multipleAPI
Updated some log traces for multipleAPI support
Counters optimized
Little extended push fix: On not valid method means invalid API. No error sent to client
Removed non-valid callback (never called)
Moved callback to Extended PUSH API
Little fix
s/maintance/maintenance/
Merge pull request #221 from frsela/multipleAPI

Multiple APIs support