Add support for outputting log10 counts, plus log spacing support for 2D
Remove some irrelevant consts.
Use nullptr, statistics printout improvements.

* Use nullptr instead of NULL
* affineEnsemble::printStatistics sets width to look better.
More fine tuning of string outputs.
Merge branch 'base'

Conflicts:
	Doxyfile
	configure.ac
	examples/polyfit_example.cc
Switch from NULL to nullptr.  Bump version number.
Fix file open test
Merge branch 'base'