Fix (most) PEP8 coding style violations

`pep8 main.py --ignore=E128,E501` returns no output anymore.

TODO: Fix lines which are too long
TODO: Fix indentation of continuation lines

As part of http://24pullrequests.com
Merge branch 'development' of https://github.com/habi/grecoman into habi-development

Conflicts:
	src/main.py
Merge branch 'habi-development' into development