Fixed absence plot with correct x positions

Also fixed some styling issues.
Improved search and added party to members/member pages
Fixed bug when no voting data was found
Created a new run.py to get traceback on errors
Added werkzeug_debug alias for debugging webserver
Removed DEBUG from config file since it is set in run.py, helps with production servers later
Added image urls to db_structure

Manually read images and inserted intressent_id (image URL was not
available in SQL data).
Added possibility to choose time frame of voteringsfrekvens
Merge branch 'restructure_utils' into develop.

Fixes #31
Added images to member page

Also restyled search form.
Merge branch 'add_images' into develop
Merge branch 'develop' into import_data
Merge branch 'develop' into import_data