update pom of scrooge-generator. Limit the scope of dependency on scrooge-runtime to test.
update pom of scrooge-generator. Limit the scope of dependency on scrooge-runtime to test.

benhoyt/scrooge,pnambiarsf/scrooge,benhoyt/scrooge,twitter/scrooge,eirslett/scrooge,elipoz/scrooge,tellapart/scrooge,elipoz/scrooge,travisbrown/scrooge,nshkrob/scrooge,nshkrob/scrooge,eirslett/scrooge,pnambiarsf/scrooge,VisualDNA/scrooge,travisbrown/scrooge,VisualDNA/scrooge,nkhuyu/scrooge,twitter/scrooge,thirstycrow/scrooge,travisbrown/scrooge,benhoyt/scrooge,pnambiarsf/scrooge,twitter/scrooge,nkhuyu/scrooge,benhoyt/scrooge,eirslett/scrooge,twitter/scrooge,tellapart/scrooge,eirslett/scrooge,tellapart/scrooge,thirstycrow/scrooge,nkhuyu/scrooge,VisualDNA/scrooge,tellapart/scrooge,pnambiarsf/scrooge,pnambiarsf/scrooge,VisualDNA/scrooge,benhoyt/scrooge,elipoz/scrooge,travisbrown/scrooge,thirstycrow/scrooge,thirstycrow/scrooge,nkhuyu/scrooge,thirstycrow/scrooge,nshkrob/scrooge,nkhuyu/scrooge