git-svn: move authentication prompts into their own namespace
git-svn: move authentication prompts into their own namespace

I'm going to be reorganizing some more code.

Signed-off-by: Eric Wong <8c2951295f8292b0c03727bc4652981172298eae@yhbt.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git