Don't convert to absolute path
Don't convert to absolute path

Previously we converted any path given to nvr to an absolute one. But then `nvr
http://example.com/file` wouldn't trigger netrw's BufReadCmd event and thus
download the file, because it would see an absolute path like
`~/http://example.com/file` and the netrw autocmd only matches on `http://*`.

Fixes #86

mhinz/neovim-remote,mhinz/neovim-remote