support ssh repos
support ssh repos

support repositories with SHH URL.
e.g. given repository URL `ssh://git@some.domain.com:7999/project/cool-stuff.git`
before the change the resulting directory will be: `vendor/git@some.domain.com/7999/project/cool-stuff`
the directory after this change will be: `                 `vendor/some.domain.com/project/cool-stuff``
brettlangdon/git-vendor