Merge pull request #1067 from akhileshdarjee/master

[fix] [minor] added price list in supplier form
[website] [sitemap] cleanup
[website sitemap] [setup] [minor] fixes
[minor] website fixes
[website sitemap] [minor] fix and added patch
[readme] fixed copyright, now copyright is jointly owned by contributors
[minor] [fix] website sitemap reload
[minor] [fix] style settings
[copyright] added Contributors
[fix] [minor] removed leave by from leave application