Set name of package to 'nosleep.js'.

We are currently attempting to obtain maintainer access to the npm 'nosleep.js' package that has been published from elsewhere. This commit is just about getting all our ducks in a row.

Minor package clean-up

Merge pull request richtr#32 from richtr/feature/latest-device-updates

Fix library to work with latest Android/iOS updates

Release version 0.5.0

Release version 0.4.0

Release version 0.3.0

Release version 0.2.0

Release version 0.1.0