Update recipe for epkg

- Build info documentation
- Add correct load-path for the lisp files

recipes/epkg.rcp

@@ -4,4 +4,11 @@
        :pkgname "emacscollective/epkg"
        :depends (closql dash)
        :minimum-emacs-version "25.1"
-       :compile ("epkg.el" "epkg-ui.el"))
+       :info "docs"
+       :load "lisp/"
+       :compile "lisp/"
+       ;; Use the Makefile to produce the info manual, el-get can
+       ;; handle compilation and autoloads on its own.
+       :build `(("make" ,(format "EMACSBIN=%s" el-get-emacs) "info"))
+       :build/berkeley-unix `(("gmake" ,(format "EMACSBIN=%s" el-get-emacs)
+                               "info")))