Spatial pooler pylint update.
remove (Grok specific) support files from Nupic
Merge pull request #694 from breznak/move_from_nupic

remove (Grok specific) support files from Nupic, fix Issue #330
Merge branch 'master' of github.com:numenta/nupic
Update README.md

build_system is not included with the repo so it needs to be created.
Merge pull request #695 from iandanforth/patch-3

Update README.md
Using new logo icon in README.

Also rearranged the title.
Merge pull request #696 from rhyolight/update-readme-logo

Using new logo icon in README.
Fix typos as suggested in code review.
Merge pull request #692 from scottpurdy/master

Spatial pooler pylint update
use -isystem instead of -I to include external libs - silence warnings
fix bug in Python for python <= 2.7.5 in Wformat=

https://bugzilla.redhat.com/show_bug.cgi?id=927358
use system includes for numpy & python

(-isystem, instead of -I)
use Wdeprecated
compile flags: Wreturn-type already in Wall
compile flag: Wunused

unused + more, but turn Wunused-parameter only to warnings for now
use Werror
add Wno-error=cpp because of Numpy warnings

\#warning
add std=c++11 compiler flag

in addition to linker flag already used in CMakeLists (in platform section)
CMake add section for #define preprocessor variables