ignore virtualenv files in train subdir
Experimenting with train data service, using Flask as an alternative to CherryPy. Added functionality for reserving seats in train data service.
Tidy up some documentation, make it more readable
Update this service to python 3.3
added guiding test in python, testing via external interface
updated the definition of the problem
make python starting code smaller
updated starting position of the other language versions - they should all use the same guiding test now.
small improvements to kata description
ruby version should use guiding test instead of this