rest_api: added renaming fixme
Fix pylint is not working
renamed acording to new rest_api test
updated gitignore
pep257
renamed contents to resources and propertysheets to properties
removed all python code to restart; test and implementation for content factory
doc/pep8
nicer html documentation
buildout: flake8 fixes, added omelette
py.test: quickcheck support, generate code coverage, validate pep8 and
pyflakes.
updated gitignore
sphinx docu for python code docstrings, module index
refactore resources and tests
resources can have properties to store data
merge local joscha; WARNING: this breaks frontend code, UNDO renaming property interfaces to P_.., RENAMED IDAG to IVersions
Merge branch 'master' into joka-2013-11-25-refactor_python_backend

Conflicts:
	.gitignore
	README.rst