Ask for confirmation before executing a vendor drop.
(Fixes issue #507) : Vendorbranch feature needs safeguards


git-svn-id: http://tortoisesvn.googlecode.com/svn/trunk/src/Resources@24497 4cfb86a4-2c7a-11df-bd14-c1e331e6ceac
Fix tab order in the cleanup dialog.
(Fixes issue #511) : wrong tab order in cleanup dialog


git-svn-id: http://tortoisesvn.googlecode.com/svn/trunk/src/Resources@24515 4cfb86a4-2c7a-11df-bd14-c1e331e6ceac