[backend] strip flags from remote meta, make getpackagelist die on missing remote projects
[backend] use a valid license for product .spec files
[api] offer a raw route for scripts to parse json
[backend] fix z/VM build job kill
[backend] Sync vm-disk/swap defaults with build

Build and bs_worker had different defaults on
vm-disk/swap, which caused e.g. job killing to
not work correctly if only defaults were used
(only happens in default installations, not
in our production setup).
[backend] support a proxy server for getbinaries for workers with a too small binary cache
[backend] getbinariesproxy implementation
[webui] There is no reason to hide our awesome users
[api] Get rid of the registration notes

Fixes #219
[webui] Update Gemfile.lock, fix all routes test
[backend] add help for --getbinariesproxy, fix typo
[api] revert incompatible change, but allow to register users without a note element

This reverts commit 262becb195fa9e71b69e61a15f8c049559401470.
[backend] hrm, the typo fix contained another typo. now all typos are gone.
[backend] improve ARGV handling in bs_getbinariesproxy and bs_srcserver
[backend] bs_productconvert: use release number of package also for product
[dist] update gem dependencies so that api and webui require the same gems

Otherwise obs-server will never build
[dist] downgrade to i18n 0.6.1 as travis can't install our rpms
[dist] we need to have the rake from ruby package

no matter if henne likes or not
[dist] use bundled rake
[backend] add metacache to speed up getbinaryversions