votedetail: model, controller, and control interface (hhucn/adhocracy.hhu_theme#54)
Calculate and display vote details
Force visibility of invisible badges in votedetail dialog
Make votedetail conditional
Fix typo in migration script
Explicitly mark votedetail relation as lazy (currently the sqlalchemy default anyways)
show openid-login only if enabled (default)
Merge branch 'develop' into votedetail

Conflicts:
	src/adhocracy/model/__init__.py
Bump migration number
Adapt sysv-init to virtualenv-less installations
Make IPython available in production installations

In the buildout restructuring, IPython was moved to the developtools
buildout, which is only included in development environment.

However IPython, is also useful in production environments, and
therefore moved from the `developtools.cfg` buildout to the
`adhocracy.cfg` buildout.
Make came_from work with relative urls in login/redirect
Install mutt by default (#278)
make lamson log to var/log/lamson (#278)
Add python-dev installation requirement to docs
Update Cheetah from 2.2.1 to 2.3.0

This is only done, as version 2.2.1 has disappeared from Pypi.
Merge branch 'votedetail' of https://github.com/phihag/adhocracy into phihag-votedetail
Fix migration script
pep8
Merge pull request #2 from nidico/phihag-votedetail

Merge develop, migration fix, pep8