Merge pull request #32 from kkataev/master

JSHint for test files, new jqliteExtrasSpec.js
make it easier on GC
updated examples description
positioned list example
Merge pull request #34 from kkataev/master

Rename files to scroll*.js when build
Rename directives to 'uiScroll' and 'uiScrollViewport'
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)