fixes #1262 - Node.rb fails when host has no owner

fixes #1257 - allow to manage BMC interfaces via foreman

fixes #1256 - report links from host list might lead to a purged report

wip #1231

refs #1246 - puppet run is now visible, but styling could improve

fixes #1208 - Unauthenticated IP spoofing should not be allowed

fixes #1235 open tabs with errors in forms

fixes #1236 - multiple actions modal

fixes #1237 - seperate page header from title

fixes #1230: table overlays buttons in host view