Fixes angular-ui/ui-utils#204 - improve error message and readme notes about viewport height.
Merge pull request #206 from katowulf/master

Fixes angular-ui/ui-utils#204 - improve error message and readme notes about viewport height.
Update event to include $event example

Demonstrate how to send the triggering event to the event handler.
Merge pull request #214 from mcalthrop/patch-1

Update event to include $event example
fixes #215
Merge pull request #216 from theJoeBiz/issue-215

fixes #215
scroll 0.1.2
merge and resolve conflicts from angular-ui