Remove non-llvm patch parts; fix paths
Fix warning on Mac OS

Fix warning: 'TCling__SplitAclicMode' has C-linkage specified, but returns user-defined type 'string' (aka 'basic_string<char>') which is incompatible with C [-Wreturn-type-c-linkage]
Display the bin error for 2D histograms in the status bar.
Display the bin error for 2D histograms in the status bar.