- fixed plane color
- Optimized parameters for "foodcourt" pointcloud.
Merge branch 'plane_estimator_master' into plane_estimator_dev

Conflicts:
	lsd_slam_viewer/.qglviewer.xml
	lsd_slam_viewer/src/KeyFrameGraphDisplay.cpp
	lsd_slam_viewer/src/settings.cpp
Single frame plane updating works.
Iterative plane updating implemented