Merge pull request #1 from victor-mendoza/emi-2

EMI-2: several fixes and updates
Add the ability to switch off the creation of symlink, depending on the RPM provider
Merge pull request #4 from Pansanel/emi-2

Add the ability to switch off the creation of symlink
Move OS packages from GRID template to OS template
Add BLAHPD_LOCATION env variable (required by glite-ce -blparser daemon)
Revert "Add BLAHPD_LOCATION env variable (required by glite-ce -blparser daemon)"

This reverts commit 5aac7ea52310e8b1832b149f7687e104cbde6b68.
Add SRM_PATH to the env
Remove a symlink to an unexisting file
Remove symlink provided by the Torque templates
The GlueCEPolicyMaxSlotsPerJob variable can now be set. Required by Nagios tests
Move previous RPM list to sl5/x86_64
Minor RPMs version fix
CVMS mountpoint should be considered as a shared repository, like NFS
Merge pull request #5 from Pansanel/emi-2

EMI-2 updates from Pansanel trunk
New EMI-2 update version: 22
Merge pull request #6 from Pansanel/emi-2

New EMI-2 update version: 22