Do not clone submodules for Jedi.el

fixes #1031
Fixed opa-mode and added opa-js-mode
Merge pull request #1033 from toroidal-code/master

Fixed Opa-mode and added Opa-Js-mode
Merge pull request #1032 from tkf/jedi-no-submodule

Do not clone submodules for Jedi.el
Fix ein.rcp: EIN depends on request.el now
Add recipe for el-x