added file layout for the app engine project
added file layout for the app engine project

citrix-openstack-build/pecan,jdandrea/pecan,pecan/pecan,StackStorm/pecan,citrix-openstack-build/pecan,ryanpetrello/pecan,jdandrea/pecan,jimrollenhagen/pecan,jimrollenhagen/pecan,StackStorm/pecan,pecan/pecan,ryanpetrello/pecan