bug fix
Fix for when to set files in MaxReset status
Removed unused VOMS proxy check
Removed constraint that was making impossible to derive a production
Check for non-existing directories in the removeDirectory()
BLOB -> MEDIUMBLOB
Merge pull request #1777 from fstagni/bunchFixesv6r10-9

[v6r10] Minor fixes v6r10
Merge pull request #1778 from atsareg/fix-v6r10

[v6r10] Minor fixes
v6r10p1 notes
Conflicts resolved with rel-v6r11