Backport BKGCAT fix to 2017-patches
Modification of BkgCat behaviour to not throw exception
See merge request !545 (merged)
(cherry picked from commit 85ed1228)
- e3b35a54 Modification of BkgCat behaviour to not throw exception
- c2d29954 Merge branch 'master' of https://gitlab.cern.ch/lhcb/Analysis into vava_bkgcat_noexception
- 0000e88e fix printing of warnings