Draft: Array tool now prints commands in the python console
+ support comparison with double in quantity number protocol
Spreadsheet: Added setitem and getitem methods
Bumped version to 0.15 and added a temporary new splash
+ include missing header file
Have cmake set doxygen to use dot if it's available.

Also a minor typos
Forgot to add this to the last commit...
Adapt SMESH to new OCCT NCollection templates
remove TKAdvTools
backport salmone commit a62ca0b865089cbe32f5153341c02fbc6db88467

Move global methods needed for NCollection_DataMap< TopoDS_Shape, * >
to class SMESHDS_Hasher in order not to clash with the same global
definitions