New version of fastHadd with correct file permissions.
Style change: use a global variable named commit instead of tag, as we deal with threeish.
Fix comments.
config.map: add CMSSW_7_3_X osx108_amd64_gcc481

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
Merge remote branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_1_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_2_X/stable' into IB/CMSSW_7_0_X/stable
Merge pull request #978 from diguida/fastHadd_file_permissions

fasthadd file permissions
Merge remote branch 'origin/IB/CMSSW_7_1_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_2_X/stable' into IB/CMSSW_7_0_X/stable
disable 53x osx107_amd64_gcc462 ibs
Merge pull request #1079 from smuzaffar/IB/CMSSW_7_0_X/stable

disable 53x osx107_amd64_gcc462 ibs
Merge remote branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_1_X/stable' into IB/CMSSW_7_0_X/stable
Merge remote branch 'origin/IB/CMSSW_7_2_X/stable' into IB/CMSSW_7_0_X/stable
Add CMSSW_7_3_DEVEL_X IB.
Remove CMSSW_7_2_DEVEL_X.
Update root to include global functions list lock and clang fix.

See also cms-sw/root#31 and cms-sw/root#30.
Merge pull request #1082 from degano/root_fixes_72XStable

Update root to include global functions list lock and clang fix.
Merge remote branch 'origin/IB/CMSSW_7_0_X/stable' into IB/CMSSW_7_0_X/stable