[eshell] fix arg passing to aliases
[python] remove jedi, use ropemacs
[python] update evil documentation command
[python] M-. jumps to definition
[python] automatically configure ropemacs
[rust] add rust mode config
[python] add rope-pydoc to popwin
[rust] override default rust flycheck command
[yas] add snippet utils
[w3m] evil bindings