restored c++ build
Working over unit test with pseudo chat.
Still working over chat
Remove outdated Messenger class
Update for JavaDoc 8
Updated RMessageHandler logic
Merge branch 'testChat' of github.com:vshcryabets/V2StyxLib into testChat

Conflicts:
	java/library/src/main/java/com/v2soft/styxlib/ConnectionWithExport.java
Refactored poll classes
Updated Client classes
Finished with a test chat
Merge branch 'master' of github.com:vshcryabets/V2StyxLib

Conflicts:
	java/library/src/main/java/com/v2soft/styxlib/Connection.java