Cleanup + added ?mute=true for testing

An alert is displayed if the alarm is muted.
Restore alerts
Cleanup:

* Removing duplicate functions.
* Reorganization of ui-utils.js.
* Early preparation for eventual inclusion of server side settings
storage.
* Adding ` />` to `<img>` and `<input>` tags.
Change: Form Tooltip now = Github's Question Mark

The custom font only has 5 glyphs still! :)
Hamburger Experiment
Hamburger Experiment

:)
Cleanup + ?drawer=true + `mv fonts/ glyphs/`

* Auto settings drawer opener (to help use support users).
* Removing experiments favicons and logos (because choices were made by
@rnpenguin).
* Glyph Fonts folder renamed to reflect usage: /static**/fonts** was
renamed to /static**/glyphs**.
* Hamburger?
Merge pull request #17 from nightscout/rebase/settings

Rebase/settings