[api] fix review accept that aren't found (gives 500 now)
[api] remove tons of code from the status/bsrequest route

It never really worked for tons of cases to check the file dependencies
within the build service. So now osc downloads the build results and does
a local check. Much more reliable
[backend] support for dumpstate and dropbadhosts in bs_dispatch
[backend] allow to disable syncing of kiwi trees in BSConfig
[backend] only calculate worker/buildcode state every 20 seconds
[api] remove unused variable to please code quality check
[backend] tweak metacache merging a bit
[backend] fix typo in signer flavor calculation
Updated gitignore with a few new exceptions
Added an .rvmrc to webui
Updated gitignore for tmp/restart.txt
Added .rvmrc to src/api
Updated .rvmrc for webui
Updated gitignore for .powrc
Adding a rbenv version file to set the Ruby version.
Created a gitignore file. Ignoring tmp/restart.txt and .rbenv-gemsets.
Adding a rbenv version file to set the Ruby version.
Created a gitignore file. Ignoring tmp/restart.txt and .rbenv-gemsets.
Added tmp/cache to gitignore file.
Using xmlhash version 1.3.0