[webui] make old links to package/show work again
[api] pessimistic lock on request state changes to avoid a race condition
[webui] Import the jquery-ui styles as scss
[webui] Require jquery.ui tabs
[webui] sourcediff is a post call
[webui] Fix monitor workerbox background url
[backend] be more verbose about bad project constraints
[webui] adapt /monitor page daemon status for new workerstatus report
[webui] drop outdated scheduler via from old monitor page, no need to have it twice
[webui] don't require sprite_factory unless needed
[webui] make all url() now image-url()

Also remove the unused mobile javascript and css. We should bring mobile
support back one day, but that needs to be done from scratch meanwhile
[webui] do not break with mobile view, it is currently anyway not active
[webui] drop also links to removed icons
[api] allow group creation by default
[api] fix confiugration save in real life
[backend] detect xen soft lock lockups
[backend] update_project_meta_check: check each repo individually

To catch type changes for the "image" repo...
[backend] fix syntax error in kiwi path evaluation code
[backend] do not patch .kiwi files for appliances but use kiwi command line parameter to set the repositories
[doc] fix standard OBS IRC channel name