made class Configuration comaptible to Python 3
made class Experiment compatible to Python 3
class Git, ExperimenResult are now compatible to Python 3
changed python interpreter call
changed plots to python 3 compatibility
made {OMNeT,Scalar,Vector}FilerParser ready for Python 3
minor changes to MobilityDataParser
added python 3 calls to the corresponding files
made classes in analysis package python 3 ready
changed interpreter call to python 3 in analysis package
made classes in package persistance python3 ready
made changes to interpreter calls
added python3 interpreter calls and run 2to3 on last files
merge branch 'python-3'