Removed remaining LPF code and updated antiquated tests based on LPF code.
Fixed comment explaining use of RecordSensor.py
Modified travis.yml file to stop running deleted test
Merge branch 'master' into iss389

Conflicts:
	nupic/frameworks/opf/exp_generator/__init__.py
	nupic/frameworks/prediction/GUIs.py
	nupic/frameworks/prediction/callbacks.py
	nupic/frameworks/prediction/experiment.py
	nupic/frameworks/prediction/experimentdeschelpers.py
	nupic/frameworks/prediction/helpers.py
	nupic/frameworks/prediction/postprocess/__init__.py
	nupic/frameworks/prediction/postprocess/classificationstats.py
	nupic/frameworks/prediction/postprocess/inputpredictionstats.py
	nupic/frameworks/prediction/postprocess/knnregressionstats.py
	nupic/frameworks/prediction/postprocess/linearregressionstats.py
	nupic/frameworks/prediction/postprocess/ngramstats.py
	nupic/frameworks/prediction/postprocess/poormanstats.py
	nupic/frameworks/prediction/postprocess/postprocess.py
	nupic/frameworks/prediction/postprocess/spstats.py
	nupic/frameworks/prediction/utils.py
	nupic/regions/CLARegion.py
	nupic/regions/CLARegionSimple.py
Merge pull request #964 from jaredweiss/iss389

Issue #389: removing old LPF code
Moving pip requirements into archive.
Adding retry to pip install
Merge branch 'retry-pip-install' into archive-pip-requirements
Merge pull request #976 from rhyolight/retry-pip-install

Adding retry to pip install
Merge branch 'master' of github.com:numenta/nupic into archive-pip-requirements
Merge pull request #975 from rhyolight/archive-pip-requirements

Moving pip requirements into archive.
Merge branch 'master' into parallel_unittests