Makes check repo more resilent.
The cycle detector ignore updated packages.
Use the OSC debug option to show explicit exceptions.
Default "who" to None for the _author()
action #4380 - use request finder in check_repo
Show the package that is waiting for a dependency to be built.
Improve the error message for DELETE requests.
Merge pull request #260 from aplanas/master

Fix one issue, and try to make the checkrepo to continue when an exception happends