DPM/Xrootd configuration fixes
Fix location of CREAM CE GIP + misc change to tomcat5 config
Fix permission problem
Add munge to CREAM CE
Enable glexec by default
Include WLCG repo only on SL6
Update README.md with list of validated services
Merge pull request #27 from jouvin/umd3-glexec

Umd3: various fixes, including enabling glexec by default
Really fix glexec configuration to ensure that glexec is enabled by default
with sensible defaults defined for all the related variables.
Merge pull request #28 from jouvin/umd3-glexec

Really fix glexec configuration to ensure that glexec is enabled by defa...
Ensure that config module symlinks is not left with a link list undefined (rather than null) in NFS client configuration
Merge pull request #29 from jouvin/umd3-glexec

Ensure that config module symlinks is not left with a link list undefine...