use -tag_add=<tags> (PackDist-00-14-02)

	PackDist-00-14-02
	* scripts/pack-extern.sh: When evaluating macro values, use -tag_add=<tags> (rather than -tag=<tags>)
	* scripts/pack-proj.sh: idem, also for setup via cmtsite
	* scripts/proj-run.sh: When doing setup via cmthome, use -tag_add=<tags> (rather than -tag=<tags>)

2015-01-13 Grigori Rybkine <Grigori.Rybkine@cern.ch>

	PackDist-00-14-01
	* scripts/pack-extern.sh: Extend the work around for LCG 68 and later presenting external s/w paths depending on LCG version to external s/w packages that use LCG_Interfaces package(s) and are also affected

2015-01-12 Grigori Rybkine <Grigori.Rybkine@cern.ch>

	PackDist-00-14-00
	* scripts/pack-extern.sh: Work around LCG 68 and later presenting external s/w paths depending on LCG version

2014-09-27 Grigori Rybkine <Grigori.Rybkine@cern.ch>

	PackDist-00-13-04
	* scripts/pack-proj.sh: enhance diagnostic message of scripts/relink.py invocation
...
(Long ChangeLog diff - truncated)