GlastDIRAC LTS

New LTS version with general code overhaul, bump to more stable v6r14p26

LTS for production

bump to DIRAC-v6r14p22;
removal of deprecated services, most importantly the SoftwareTagSystem
cleanup & bug fixes.
bump to patch release of DIRAC

(hopefully a LTS version)

LTS Candidate

bump to DIRAC-v6r14;
removal of deprecated services, most importantly the SoftwareTagSystem
cleanup & bug fixes.

(hopefully a LTS version)