0.12.4dev: prepare for rc1
0.12.4dev: prepare for rc1

git-svn-id: 7bda06b145a4a8e9a7f4be07d7c3eb82923a12d6@11245 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,jun66j5/trac-ja,walty8/trac,walty8/trac,jun66j5/trac-ja,walty8/trac,jun66j5/trac-ja,jun66j5/trac-ja