Description of problem:
spacewalk-repo-sync is able to filter packages from externa repo via --include/--exclude options.
There's also a database table rhnContentSourceFilter which can hold the include/excludeinformation for the repos but there's no way how to insert this filter lists from webUI.

Version-Release number of selected component (if applicable):
spacewalk-backend-1.6.33-1
spacewalk-schema-1.6.22-1
spacewalk-java-1.6.62-1

How reproducible:
always

Steps to Reproduce:
1. go to https://<spacewalk>/rhn/channels/manage/repos/RepoEdit.do?id=<xxx>
and try to specify include/exclude package lists for the repo
  
Actual results:
no way

Expected results:
there's a way ;)

Additional info: