Merge pull request #38 from dhilt/master

Rename directives to 'uiScroll' and 'uiScrollViewport'
datasource within scope demo
demo add to index
Merge pull request #40 from dhilt/datasource-within-scope

Datasource within scope (for issue #36)
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into dev
add scroll prevent demo