made adjustments to CLARegion and SPRegion to accomodate new c++ spatial pooler
Merge branch 'master' of github.com:numenta/nupic into spcpp
remove yaml-cpp build files

provide the libyaml.a without the source files (as other libs)
fix warning: unused variable size_
update yaml-cpp headers to 0.3

libyaml.a has to be rebuilt to this version too
yaml-cpp 0.3 : implement API changes

see http://code.google.com/p/yaml-cpp/wiki/BreakingChanges
enable check (was blocked by nupic 1.x Nodes)
provide compiled static lib libyaml.a ver 0.3

with -fPIC
Revert "enable check (was blocked by nupic 1.x Nodes)"

This reverts commit 6fcb8926d85b71267175decaf966e90d3f74b191.
causing some problems now, investigate later
name private functions _
yaml-cpp: partially revert : API - use Read()
Merge remote-tracking branch 'gil/spcpp' into spcpp
Make the new Python and C++ SP implementations usable but keep the old implementation as default.
Consolidate SP implementation default and getter to SPRegion.
Merge branch 'master' into yaml-cpp
Initial crack at removing old spatial poolers and TAM.
Merge branch 'master' into yaml-cpp
Clean up references to removed code.
Add back FDRCSpatial2 optimizations.
Adding back in needed classes.