Fix column setup for inhibitColumn
Tests inconsistent with test parameters. Tests setup numColumns of 500 and 1000
but the column dimensions didn't match in two locations which could be confusing
to onlookers and is inconsistent.
Update nupic.core to latest and include gtest during cpp_region build
Merge pull request #1409 from oxtopus/integrate-gtest

Update nupic.core to latest and include gtest during cpp_region build
Merge pull request #1403 from cogmission/FixSPTestInconsistency

Fix column setup for inhibitColumn
Merge branch 'master' of https://github.com/numenta/nupic into 1298-gtest

Conflicts:
	CMakeLists.txt