Resolves #658 - Regression test for SP platform variance
Update comment on test for exact SP output, per pull request feedback.
remove -stdlib= flag on linux

which was causing problems:
unrecognized command line option -stdlib=libstdc++

and add -std=c++11 (C++11 standard) to align with OSX flags
Merge pull request #668 from breznak/cmake_linux_fix

remove -stdlib= flag on linux (fixes Issue #669)
Merge pull request #660 from iandanforth/nupic658

Resolves #658 - Regression test for SP platform variance
replace PIL with Pillow

Pillow is a fork of PIL, with newer features and more (pip) packaging friendly.
Fixed Readme file

<code>$REPOSITORY/src</code> still is not created, so <code>CMakeLists.txt</code> still is at root dir.
Update CMakeLists.txt
Peforms a 'clean' before CMake generate files
Update CMakeLists.txt
build.sh switched to use cmake

Per Issue #677
Merge pull request #681 from subutai/buildsh_changes

build.sh switched to use cmake
Merge pull request #670 from breznak/PIL_to_Pillow

replace PIL with Pillow
Added cmake check for $NTA == $NUPIC.
Deletion of old build system

Deletion of old build system (scripts at root folder will be removed
later)
Removed unecesary macro and inlined the logic.
Merge pull request #687 from DavidRagazzi/master

Deletion of old build system
Merge pull request #685 from numenta/nta-nupic-env-check

Added cmake check for $NTA == $NUPIC.
Spatial pooler pylint update.
remove (Grok specific) support files from Nupic