vim_configurable: fix python on darwin

* was not linking to the correct python library on darwin (using the OS
  X framework, which is not what we want)
Adding cjdns.

The executable runs; I haven't tried to run a node.
vim-coffee-script: add expression
Merge pull request #648 from lovek323/vim

vim_configurable: fix python on darwin
Merge pull request #660 from lovek323/vim-coffee-script

vim-coffee-script: add expression