Property modernization w/ Gaudi v28 (AsgTools-00-01-05)

	* updates for Property modernization. see gaudi/Gaudi!182
	* tag AsgTools-00-01-05

M       AsgTools/AsgTool.h

2016-12-18 Nils Krumnack <Nils.Erik.Krumnack@cern.ch>
	* added TReturnCode support for ANA_CHECK in Athena
	* tagging as AsgTools-00-01-04

2016-11-20 Nils Krumnack <Nils.Erik.Krumnack@cern.ch>
	* added a missing include
	* tagging as AsgTools-00-01-03

2016-11-18 Nils Krumnack <Nils.Erik.Krumnack@cern.ch>
	* switched AnaToolHandle to perform retrieve/initialize on get()
	* tagging as AsgTools-00-01-02

2016-11-16 Will Buttinger <will@cern.ch>
	* AsgMessaging: do not use MessageSvc unless it already exists (avoids problem where applicationMgr started after an instance of AsgMessging then 'crashes')
	* tagging as AsgTools-00-01-01
...
(Long ChangeLog diff - truncated)