Deployment issue of application-config tests fixed.
	+ removed runtime dependency of application-config tests on tyrus-test-tools
TYRUS-334: When connection is closed by a peer, periodic heartbeat pong is not stopped
minor correction - using equals instead of == when comparing java.lang.Class.
TYRUS-328: JDK 1.7 AIO Client container - threads - (setting threadpool, limits, ...)

- 2 types of thread pool executors + some more tests
findbugs
TYRUS-228: Client SPI refactoring