Changed initial scale to 1
Cleanup the code to make lint happy.
timerTick didn’t have access to updateKeys function.
Create a packaged app

My employer’s security people were appalled by the idea of the hosted
authenticator, which can be changed anytime by the owner of the website.
I believe that for this type of application a packaged (and even better
privileged, and therefore signed) application is better.
Merge pull request #37 from mcepl/packaged_app

Packaged app
Removed erroneous return for linting
viewport meta-tag adjustment for Firefox OS
Add gulp task for making a FxOS packaged app.

Also, found two bugs in manifest.webapp.
Merge pull request #38 from mcepl/make_package

Add task for creating FxOS packaged app
WIP