Merge pull request #1 from keerthi21/master

Package name changed to fix the path issue.
added plane segmentation to launch file
added weithing function for QSR model
Merge branch 'master' of https://github.com/kunzel/object_search_utils
evaluation of 2D view cones based on supporting planes
fixed vector initialization for pan and tilt angles; retrieve octomap from service instead of fix file name
adjested length of frustum; fixed problem with mixed up pan and tilt angles; fixed problem with angle conversion
deleted temp file
merge conflict resolved