Merge pull request #133 from ktf/IB/CMSSW_5_3_X/stable

Updated to correct version of build scripts.
cms-git-tools: update to use v0.11.0 version
sync with 5.3.11.patch4
sync with 5.3.11.patch5
sync with 5.3.11.patch5
SCRAMV1: build version V2_2_5_pre4 which allows to have + chars in release path
Backport CGAL from CMSSW_7_0_X

The following commit backports CGAL (incl. build time dependencies
gmp-static and mpfr-static) from CMSSW_7_0_X to CMSSW_5_3_X.

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
Merge pull request #172 from davidlt/backport-cgal-from-70x-to-53x

[CMSSW_5_3_X] Backport CGAL from CMSSW_7_0_X
Merge remote-tracking branch 'origin/IB/CMSSW_5_3_X/stable' into IB/CMSSW_5_3_X/slc6_amd64_gcc472