Patching FindGaudi.cmake, and making the ReleaseData generation a little...

Patching FindGaudi.cmake, and making the ReleaseData generation a little smarter (AtlasCMake-00-01-54)

	* Turned off the automatic documentation generation once again.
	* Tried to make FindGaudi.cmake pick up the correct version of
	  Gaudi for the RPM name generation in the nightly. The proper
	  fix for this will be to generate a text file in the Gaudi build
	  that FindGaudi.cmake will be able to use to get this version
	  number.
	* Made the ReleaseData file generation a little smarter. Making
	  use of a few more NICOS environment variables than it did
	  before. (Made sure that the file would still look reasonable
	  when generating it outside of NICOS.)
	* Tagging as AtlasCMake-00-01-54

2016-06-02 Attila Krasznahorkay <Attila.Krasznahorkay@cern.ch>
	* Updated Doxygen to create many subdirectories for its
	  documentation. As AFS can not deal with a single directory
	  layout.
	* Moved the tag file into the doc/ subdirectory in the installation
	  tree.
	* Declared an installation rule for the documentation files.
	* Turned on the default build of the "doc" target once again. As
...
(Long ChangeLog diff - truncated)


Former-commit-id: 081a0df6262f4378e1fe07bf0dd694c7f4c6f294