javascript fixes + test

[andrewray]

add time module to functor application

simple webpage interacting with github.

note; no user authentication tests as yet.

[andrewray]

After building with js_of_ocaml installed, run

js_of_ocaml test_javascript.byte -o lib_test/test_javascript.js

and load lib_test/index.html into a browser (Chromium tested).

[dsheets]

Works well! Thanks!