set svn:ignore on new directories.

Please pay attention to svn:ignore, it's not recursive as .gitignore
or .cvsignore, you need to set them on per-directory, even if you use
-R (recursive), it's just at that time, it's not a property that is
automatically inherited by new folders.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/emotion@36719 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33