fixed links to new java pages
removed unused rollback.pxt page
rhn:system_snapshot_rollback_cb is unused

after rollback.pxt removal
removed unused config.pxt page
removed unused namespaces.pxt page
comparison_to_snapshot is unused

after namespaces.pxt removal
removed unused system_tags.pxt page
removed unused snapshot_tags.pxt page
tags_for_system is unused

after system_tags.pxt removal
tags_for_snapshot is unused

after snapshot_tags.pxt removal
removed unused remove_confirm.pxt page
snapshot_tags_in_set is unused

after remove_confirm.pxt removal
add_snapshot_tag.pxt has been replaced by SnapshotTagCreate.do
removed unused add_snapshot_tag.pxt page
add_system_tag.pxt has been replaced by TagCreate.do
removed unused add_system_tag.pxt page
add_system_tag_cb is unused

after add_snapshot_tag.pxt removal
Automatic commit of package [spacewalk-web] release [2.2.25-1].
Automatic commit of package [spacewalk-java] release [2.2.79-1].
Automatic commit of package [spacecmd] release [2.2.5-1].