Merge pull request #14 from realtimeprojects/master

Added Windows installation guide.
Update WINDOWS_INSTALLATION_GUIDE.md
readme: add section for installation help on windows
README: add missing dependencies section
README: update
xunit: make lxml dependency optional
radish: --create-basedir argument and user friendly exceptions
pep8: make PEP8 valid
fix: import RadishError
cleanup: use print function and not print keyword since it was removed in python 3.x
cleanup: use multiline strings and with statement
cleanup: use templates for steps.py and terrain.py in --create-basedir option
cleanup: remove unused file
writer: deuglify end sentence
release: 0.01.16
datafiles: new location
revert: "cleanup: use templates for steps.py and terrain.py in --create-basedir option"
release: 0.01.26
fix exception constructor call
howto radish