added fixes to core tests failing even though they passed, hint syntax test only checking for a partial logfile and readwritesplit tests being run twice.
Added logging for case where route hint is to slave.
Merge branch 'Z2' of https://github.com/skysql/MaxScale into Z2
Merge branch 'Z2' of https://github.com/skysql/MaxScale into testing_makefile_fix
Merge pull request #16 from skysql/testing_makefile_fix

Testing makefile fix
added documentation generation to makefile
Merge remote-tracking branch 'maxscale/Z2' into filterharness