[openFate 305592] Warn on creating of the package that already exists in BuildService

Feature added by: Pavol Rusnak <prusnak@novell.com> Feature #305592, revision 1, last change by Title: Warn on creating of the package that already exists in BuildService Buildservice: New Priority Requester: Important Requested by: Pavol Rusnak <prusnak@novell.com> Partner organization: openSUSE.org Description: http://lists.opensuse.org/opensuse-buildservice/2008-12/msg00056.html * warn on creating of the package that already exists in BuildService (webclient and osc) -- openSUSE Feature: https://features.opensuse.org/?rm=feature_show&id=305592