[logging] improved session logging;
[logging] improved webstack logging;
Merge branch 'experimental' into feature/logging

Conflicts:
	Core/src/sources/webstack/AssetsRequestHandler.cpp
[logging] improved logging;
Merge branch 'feature/logging' into feature/gcc4.7-support

Conflicts:
	Core/src/sources/apiserver/ApiServerComponent.cpp
	Core/src/sources/webstack/WebSocketRequestHandler.cpp