Grizzly 2.3.13 -> 2.3.14
TYRUS-332: Consolidate shared client properties into one file
TYRUS-332: Introducing GrizzlyClientProperties class.

+ minor fixes related to previous commit.
Grizzly client worker thread pool configuration fixed.
	If selector thread pool config was default, worker thread pool config was set to default, too
TYRUS-322: doc fix
web.xml needs to be version 3.0+
copyright year
Cluster SPI - Session#isOpen support.
Cluster SPI - javadoc fix