Removed redundant getPfnForLfn() calls
Change default SharedArea

Relative directories cannot work. Assume $HOME instead.

Needs checking/testing as even if it should work, not guaranteed.
FIX: use data member for the useCatalogPFN flag
FIX: use PFN in __removePhysicalReplica()
cosmetics
successful should be defined always in __removeReplicas
Merge pull request #1919 from atsareg/fix-v6r10

[v6r10] Removed redundant getPfnForLfn() calls
Merge pull request #1924 from phicharp/Fix-v6r10-RM-140424

Fix v6r10 rm 140424
Make use of the Registry helper to get the VOMS information
add SSHOptions to interface, allows parsing from SSH options that are
called via ssh -o Option=Value.
follow DIRAC code conventions.
correction, ssh-options are itemwise passed, so SSHOptions works as
placeholder for any allowed arg in ssh/scp
fix
empty
Merge pull request #1928 from zimmerst/rel-v6r10-SSH_options

[v6r10] add SSHOptions to interface, allows parsing from SSH options that are
v6r10p23
Merge pull request #1921 from sposs/fixSSHCE

!!! [v6r10] Change default SharedArea in SSHComputingElement
v6r10p23
Merge remote-tracking branch 'upstream/rel-v6r10' into bugfix_v6r10

Conflicts:
	Core/scripts/dirac-configure.py
BUGFIX: reformat