Add flag for test stations (is_test)

Hide these stations on the map
Do not use these stations for jSparc
Code from api_quality branch. Adds API functionality regarding requesting fit
results of the pulseheight distribution. Compares the fit results with
reference values stored in the database.
Merge remote branch 'origin/master'
Added migration for inforecords.MonitorPulseheightTresholds model.
Do not include a settings.py in repo

The development settings.py is renamed and an active settings.py is
ignored.
DOCS: Cython is used by tables
Included example uwsgi.ini
PEP8 fixes
Updated path logic for example scripts and settings

Development paths are still relative to the publicdb directory, but they
no longer depend on the current working directory.
django-cron.py is now production-ready
More PEP8 and string formating fix
Improve info and example for download

Change example to dates for which there is actually data available
Add warning to use dates after 14-5-2013
ESD not yet available (for all stations) for earlier dates
Make API more consistent about (sub)clusters
Fix API views

Missing brackets for multiline string format
Add MonitorPulseheightThresholds to admin interface

Enable management of MonitorPulseheightThresholds via admin backend
Merge branch 'master' into api_quality