Update stPagination.js

Removed depreciated 'replace' attribute from directive. Allows pagination to continue working as normal. 

[Documentation Here](https://code.angularjs.org/1.3.0-beta.11/docs/api/ng/service/$compile#-replace-deprecated-will-be-removed-in-next-major-release-)
[Demo of Fixed Version Here](http://plnkr.co/edit/47VDMYfNdHwQsC88MPJY?p=preview)