When autocompleting function with no arg, put cursor in bracket.
When autocompleting function with no arg, put cursor in bracket.

(either arg completion turn off/selected arg completion with 0 arguments)

Also fixes:
argument name prefixed by $ not displayed
variables with $ prefixed shown prefixed by \$

ternjs/tern_for_sublime,pdanpdan/tern_for_sublime,pdanpdan/tern_for_sublime,ternjs/tern_for_sublime