From Bertrand and me:

* env vars are now for all users (if installinginto C:\root, it's not really per user anyway...)
* Try to remove trailing '\' from ROOTSYS. Waiting for verification by Bertrand.


git-svn-id: http://root.cern.ch/svn/root/trunk@40213 27541ba8-7e3a-0410-8455-c3a389f83636