Testing tooling server triggers.

After adding nupic.research to the build pipelines, I want to make sure
that both nupic.regression and nupic.research are automatically updated
with the latest NuPIC SHA and built in Travis-CI. This commit is just a
test to assert that.
Added checks for mask bits and potential to be >= _stimulusThreshold
Updates nupic.core to c0fc30676bdf744e15f6ccaaa810230a8ae2262d.
Merge pull request #1373 from numenta-ci/core-update-sha

Updates nupic.core to latest built SHA.
Merge pull request #1372 from cogmission/stim_threshold_check

Added checks for mask bits and potential to be >= _stimulusThreshold