Fixed GSSAPI and Plain authentication tests by making them complete faster
Documentation - discovered some Javadoc that could be improved when porting it to the 2.13 branch.
Tiny documentation changes that were discovered whilst porting the 3.x docs to 2.13
Tiny documentation changes that were discovered whilst porting the 3.x docs to 2.13
Tiny documentation changes that were discovered whilst porting the 3.x docs to 2.13
Tiny documentation changes that were discovered whilst porting the 3.x docs to 2.13