[openFATE 306338] Package duplication check on create

Feature added by: Will Stephenson (wstephenson) Feature #306338, revision 1, last change by Title: Package duplication check on create Buildservice: Unconfirmed Priority Requester: Desirable Requested by: Will Stephenson (wstephenson) Description: Have a check stage when creating a new package so that "The following 523 amarok packages already exist in the Build Service. Would you like to link one of them instead?" ... ... [ Link selected ] [ Create new ] " is shown. -- openSUSE Feature: https://features.opensuse.org/306338