Update CMakeLists.txt
Update README.md

Last: #576
Merge pull request #644 from DavidRagazzi/patch-1

Update CMakeLists.txt
Merge branch 'master' into travis-cmake
Merge branch 'patch-3' of github.com:DavidRagazzi/nupic into test-cmake
Merge pull request #2 from rhyolight/test-cmake

Test cmake