Fixed an issue in PM Huber Stereo

Reverted a few parameters in StereoSLAM back to their originals.
Merge pull request #35 from Crusty82/master

Fixed an issue in PM Huber Stereo
Introduced some more dynreconf parameters

Added StereoSLAM parameters for
 - NMS Radius
 - Gridfiltering on/off
 - Gridfiltering X and Y cell count
 - Gridfiltering features per cell count
 - Best total feature maximum count

	modified:   cvt/vision/slam/stereo/StereoSLAM.cpp
	modified:   cvt/vision/slam/stereo/StereoSLAM.h
Merge pull request #36 from Crusty82/StereoSLAM

Introduced some more dynreconf parameters
separated depth and rgb mirroring

	modified:   cvt/io/OpenNI2Camera.cpp
	modified:   cvt/io/OpenNI2Camera.h
adding return of self

	modified:   cvt/vision/features/FeatureSet.h
stereoslam tweaking

	modified:   ../cvt/vision/features/MatchBruteForce.h
	modified:   ../cvt/vision/slam/Keyframe.cpp
	modified:   ../cvt/vision/slam/stereo/StereoSLAM.cpp
	modified:   ../cvt/vision/slam/stereo/StereoSLAM.h
Add AVX version of SAD and SSD
Merge pull request #38 from mherb/simd-avx

Add AVX version of SAD and SSD
Small changes for SIMD SAD/SSD float variants

	modified:   ../cvt/util/SIMD.cpp
	modified:   ../cvt/util/SIMD.h
	modified:   ../cvt/util/SIMDAVX.cpp
	modified:   ../cvt/util/SIMDAVX.h
	modified:   ../cvt/util/SIMDSSE.h
	modified:   ../cvt/util/SIMDSSE2.cpp
	modified:   ../cvt/util/SIMDSSE2.h
	modified:   ../cvt/util/SIMDTest.cpp