fix raycast service in mapping
NextNodeOfInterest returns now the complete path and not only the next node.
generalize raycast service to enable raycasts from other reference frames than robot.
encapsulate path in its own message, to be easily passable to goto controller
untested tsp
Merge remote-tracking branch 'upstream/master'
Add constants
ignore .pyc
refactor
edit constant name
dont look backwards to determine if walls have changed
fix the line algorithm. runs now on grid not on robot coordinates.
edit constant name
fix object distance comparison
extend fitblob service for all reference frames. Tested
Merge remote-tracking branch 'upstream/master'
remove testcase from graph
Merge pull request #64 from mlosch/master

Graph returns full path for NOI service. Fixed and generalized line algorithm in mapping.
debugged
Merge branch 'master' of https://github.com/KTH-RAS-HT14-G9/robot_ai