From Patricia: Several fixes in the GDML parser. GDML tag "fraction" now supported; GDML constants now supported; Empty world volume due to multiple GDLM files was fixed
Ignoring test tutorial-roofit-rf509_wsinteractive for windoes
Polish the installation (README, geom/gdml, tmva/test). Define ROOT_CXX_FLAGS and ROOT_EXE_LINKER_FLAGS in ROOTConfig.cmake to be used by clients.
Remove a limit check in layout calculation

The limit of 32768 was causing a bad side effect of limiting the number of entries in TGListBox to 2048, since:
   number of entries(2048) * entry height(16) > 32768
as reported on the forum (http://root.cern.ch/phpBB3/viewtopic.php?f=3&t=18555)
On windows, in debug mode, install also the .pdb files
Fix for ROOT-6628
Add missing contribution from Valeri Onuchin
Avoid clashes between tutorials re-creating simple.root and fillrandom.root
From Bertrand: fix for Windows use 0x%lx  instead of %p in printf formatting style for printing pointer values