[dist] update readmes and obs apache config for single rails setup.
[backend] frozen links need verifymd5s
[dist] setup api frontend fqhostname correctly in api options.yml now.
[webui] do not crash when branching a package from remote
[api] fix transport of architectures from default repositories from remote instances
[backend] don't always merge gbininfo, fix bug in fast path full change logic
[backend] fix useforbuild comparison
[backend] do not create deltas for imports
[backend] fixed baserev link detection in applylink
[webui] do add the right architectures for default targets according to their spec (issue #549)
[webui] follow changed arch order in default list in test case
[backend] keep imports when wiping
[dist] update scripts, configurations and documentation for the webui&api merge
[backend] support architecture or package container specific constraints
[backend] first dispatch constraint tests and fix for overwrite code
[backend] fix _constraints loading also via package links
[backend] numerate test cases for constraints
[backend] add sandbox and hostlabel constraints tests
[dist] fix dispatcher test case call
[backend] become SLE 11 compatible