Optimization
Changed default `access_token` from `undefined` to `null`.
Updated with optimization done by taavit.
Merge remote-tracking branch 'taavit/native_javascript' into explore

Conflicts:
	src/js/view/drawer.js
	src/js/view/logging.js
	src/js/view/login.js
	src/js/view/recent.js
	src/template/login.html
	src/template/recent.html