Update example/jqueryui/index.html

Avoid Chrome firing the below error:

Refused to execute script from 'https://raw.github.com/jmpressjs/dist/master/jmpress.js' because its MIME type ('text/plain') is not executable, and strict MIME type checking is enabled.
Merge pull request #117 from acemir/patch-1

Update example/jqueryui/index.html