Added PreInit.groovy to the list of exclusion patterns used when packaging a plugin.
Added PreInit.groovy to the list of exclusion patterns used when packaging a plugin.

git-svn-id: 29aad96320b2a07b98332cd568fc1316025c072f@7917 1cfb16fd-6d17-0410-8ff1-b7e8e1e2867d

jeffbrown/grailsnolib,jeffbrown/grailsnolib