Adds option to not strip unlearned columns in SpatialPooler compute method to enable using a random SP.
Updates documentation for stripUnlearnedColumns.
Updates documentation.
Update doc string for SpatialPooler.compute to use Sphinx doc string format.
Merge branch 'master' into random-sp

Conflicts:
	nupic/research/spatial_pooler.py
Merge branch 'master' into random-sp
Makes stripNeverLearned public in SpatialPooler.
Update bindings to reflect swapping of stripUnlearnedColumns and stripNeverLearned in C++.
Updates to match C++ changes to spatial pooler and stripping unlearned columns.
Merge branch 'master' into random-sp
Updates nupic.core SHA.
Try to fix build issue by avoiding overloading function names.
Revert "Try to fix build issue by avoiding overloading function names."

This reverts commit 90a2462711159d7fc6d6bee63f166974e03cc7b2.
Try adding conversion functions explicitly to flat spatial pooler.
Update unit tests to reflect change in public method name.
Bump SHA again.
Merge pull request #1189 from scottpurdy/random-sp

Adds option to not strip unlearned columns in SpatialPooler compute meth...