Property modernization w/ Gaudi v28 (AthenaPython-00-07-00)

	* updates for Property modernization. see gaudi/Gaudi!182
	* requires Gaudi v28
	* tag AthenaPython-00-07-00

M       AthenaPython/PyProperty.h
M       src/PyJobOptionsCatalogue.cxx
M       src/PyProperty.cxx
M       src/PyJobOptionsSvc.h
M       src/PyJobOptionsCatalogue.h
M       src/PyJobOptionsSvc.cxx

2016-09-13  Wim Lavrijsen <WLavrijsen@lbl.gov>

	* implement GIL acquisition and release


Former-commit-id: 540ca689