Add test skeletons for Xoops\Form namespace

Very basic, each instantiates or mocks class. Most element subclasses invoke render() method. There have been several PHP5.3 regression issues that have crept in to the form classes, and even these minimal tests will help in catching these.
Fix support for multiple attribute and element name array syntax
Update to Jquery UI 1.11.1
Adapt to new version jquery ui

- consolidate definitions
- remove redundant inclusions
Merge pull request #193 from geekwright/formtests

Add test skeletons for Xoops\Form namespace
Merge pull request #195 from geekwright/formmulti

Fix support for multiple attribute and element name array syntax
Merge pull request #198 from geekwright/jqueryui

Update Jquery UI