remove async dependency
Merge branch 'splitview' of git.corneltek.com:umobi into splitview

Conflicts:
	build/tasks/stat.coffee
Merge remote-tracking branch 'origin/master' into splitview
Add slider
we should simply use html5 tags
use article tag for content role
swap article and section.
use <nav> tags
Add _index.php
update dependency
Add grunt-contrib-sass
cssmin
tidy css task
Import php markdown library for documentation.
Markdown template support

- Add events page.
- Use markdown format documentation for events page.
pagecreate, pagereveal event.
Add markdown div wrapper
not to use contrib-sass for now
Add umobi.page.sass
ui-rendering