scroll v.1.0.0

v.1.0.0 changelog

* Renamed ng-scroll to ui-scroll.
* Reduced server requests by eof and bof recalculation.
* Support for inline-block/floated elements.
* Reduced flickering via new blocks rendering optimization.
* Prevented unwanted scroll bubbling.
* Fixed race-condition and others minor bugs.
* Added more usage examples (such as cache within datasource implementation).