Add helper fns to analysis.clj for macro support.
Add macro support to complete.clj.
Tidy complete.clj.
Fix referred-vars and referred-macros to conform to doc string.
Add support for referred vars to info.clj.
Add macro support to info.clj.
Tidy analysis.clj.
Add cljs.core macros to unscoped completions.
Add support for cljs.core macros to info.clj.