FIX diff-root ignore functionality so it works with xAOD files

The dot at the end of the branch name was interfering with comparison. Now it is ignored.

This merge request affects 1 package:

• Tools/PyUtils

added Tools master review-pending-level-1 labels

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-20942-2019-02-06-21-48
Athena: number of compilation errors 0, warnings 3
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 33447]

The changes look ok. Adding review-approved label.

L1 shifter

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 2d7108e2

added sweep:ignore label