Use Specific Revision of `vim-rspec`
Use Specific Revision of `vim-rspec`

Pending resolution of thoughtbot/vim-rspec#68, this commit points
vim-rspec to the `HEAD` revision of `reshleman/vim-rspec`, which is the
commit prior to the introduction of the associated bug. (Vundle doesn't
allow a revision to be specified other than master...)

reshleman/dotfiles,reshleman/dotfiles