Whitespace and path changes to get CKBotSim to work
Merge pull request #48 from amptrofa/development

CKBotSim whitespace and path fixes
When spawning new Python subprocesses, use `sys.executable` to ensure correct interpreter is used.
Setup script now complains if called with Python 3.x
protect against python interpreter path that includes spaces
add in map transformation utility
actuator value is set to bool instead of string
Created SimpleSpec

Not working. Get some error about string name of region.
Just added changes to SimpleExample
Library for dipolar RRT with Connect and Shortcut
Almost no change. Just keeping up to date.
New Handlers, renamed files, and renamed classes

Renamed PathPlannerRRTDipole to DipolarRRT.
Created DipolarRRTController and DipolarDrive. (Still need debugging)
Added circular robot constructor to DipolarRRT
Renamed several classes in DipolarRRT to have RRT in front (i.e. RRTMap
vs MapRRT)
Split DipolarRRT file into different files.

Also placed Node class within DipolarRRT class
Split DipolarRRT into another file.
Fixed bugs in DipoleRRT related handlers
Temporary hack to simple simulator
Plot dir changed file names
Update to simple example's config
Changed file name

added "_" to front of files that is not a motion controller but more of
a helper
Updated imports to match new file names