[api] use proper error message (not permitted to modify a package shall not say you are not allowed to delete it)
[api] fix enforce bug issue handling on updatepatchinfo
[api] fix patchinfo creation during incident request accept
[webui] fix crash on build statistics with disk data without disk size
[webui] neither crash on missing memory information
[backend] fixed typo in bs_sched
[api] CONFIG is always defined - fix the apiversion
[api] simplify xpath error handling and fix the test cases

The test cases did test something invalid
[api] fix XML output
[dist] get rid of killproc calls, use the --exit/--restart options instead
[backend] increase the rescan timeout from 8 hours to one day
[backend] put remote_getrev results in the cache, use the cache for project sourceinfo as well
[backend] also put old revisions in the cache
[backend] allow to specify the main product for kiwi products with multiple -release packages
[api] superseding requests should replace them in all groups
[api] fix invalid backend query

avoid 404 project '#<Project:0x0000000772af18>' does not exist
[webui] avoid crash if the statistics can't be fetched
[api] test for correct diffs with local links
[backend] implement forgotten error handling for async addrepo_remote
[api] verify you can revoke submit requests to deleted projects