Incorporate merge request #61: Clarify the requirements section
Incorporate merge #65 + firing task event to service worker
Merge pull request #66 from jungkees/serviceworkerhook

Thanks @jungkees
Remove system message handler and more for @kenchris comment on #65
Merge pull request #67 from jungkees/serviceworkerhook

Remove system message handler and more for @kenchris comment in #65
Merge pull request #1 from sysapps/gh-pages

Update merges from origin