function-args.el (fa-tfunction->fal): fix indent of costructors
function-args.el: update type face backgrounds

* function-args.el (fa-face-type-definition): New face.

  (fa-face-type-compound): New face.

  (moo-tag->str): Use `fa-face-type-compound' face for the compound type
  variables. Use `fa-face-type-definition' for type definitions.

  (moo-select-candidate): Update buffer name to "*moo-jump*".

re #19