Allow compilation on latest cygwin/gcc (lockf is now defined)
Changes by K. Smith (ksmith37@nd.edu) to properly handle include files in ROOT_GENERATE_DICTIONARY() macro
See https://root.cern.ch/phpBB3/viewtopic.php?f=3&t=17589
Fix a bug in comparing variables. RooCategory are not RooRealvar’s
Make dictionary for HistRef.
Fix a problem in PrintXML when not passing a directory (default case)
Print also  histogram address in Data::Print()
disable tiff when using cocoa.
Fix a crash in analyticalIntegral when rangeName is null. This fixes the segfault reported in ROOT-6031
update doc for ROOT-5242
Add a protection when drawing a canvas from a ROOT file

Prevent potential crash when drawing a canvas with the same name than a canvas already embedded in one of the browser's tab
. This should prevent the crash described in the Jira issue #ROOT-6088
Fix for ROOT-6083 (ROOT segfault due to incompatible libpng)
new examples
New example
Remove old code, the new 'compressor' seems to work perfect.
make version v5-34-16.
Fix printout when PieceWiseInterpolation evaluates to negative value ( ROOT-5555 ).
Print only in debug mode
Fix for ROOT-5416
Fix copy constructor and assignment operator for TGraph2D. DO as for TH1, copy everything except list of functions.
Implement copy constructor and assignment for TGraph2DErrors.
This fixes ROOT-5470
Changed thread number schema and fixed TGeoManager::RemoveNavigator. Reduced size for cached states
Allow compilation on latest cygwin/gcc (lockf is now defined)
Native keyboard focus does not work - add something

artificial and quartz-wm-like.
Create output results directory if does not exists.
This fixes ROOT-5481