only use valid files from DBS3. Fixes #1036
allow tag like patch1 or pre2 in prog_name printed by crab. fix for #1037
remove temporary patch, fix #1028 also allow any dev DBS3 end point to test with various VM's
fixes #1011 #1012 #1013 #1038
cleanup stil for #1012 #1013
Merge pull request #1039 from belforte/master

fix all known issues for crab2 vs DBS3 as of March 1