Use floating window for fzf layer

[liuchengxu]

neovim already includes the floating window feature in the master, which is quite useful to improve the user experience in many ways, e.g., open the fzf in a centered floating win without disturbing the window layout. space-vim already embrace this feature in the fzf layer, I highly recommend you to update space-vim and neovim to try it.

To install the HEAD version of neovim via brew:

$ brew install neovim --HEAD

[basicBrogrammer]

this would be sweet

[douglarek]

fzf has supported(junegunn/fzf@7ceb58b) floating window(popup) in both vim and neovim.