Merge pull request #715 from MrShark/master

An importer for ica.se (Swedish storechain)
Merge setup_win.py into setup.py.

Also add some extra functionality to include required Gtk+ Theme files.
Add tests for ica.se plugin
Fix buglet discovered due to tests
Add tests for foodnetwork plugin
Buglet found with tests and som whitespace triming in foodnetwork plugin