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
Indent task scheduler specification.
Play nice with pre tag for indentation
Merge pull request #68 from maheshkk/indent

Thanks! @maheshkk
Change the org and the date of the former editor.