Bugfix: LDC-382 - states API issues with jQuery update

## Ready State: Yes

Relates to jira bug https://imagex.atlassian.net/browse/LDC-382

Fixes an issue jquery update which breaks forms using the states API

## Requirements & Dependencies

None

## Deployment Instructions

* Merge code.


## Usage/Test Instructions

* Make new build & ensure version 2.x-dev of jquery_update is downloaded
* Make a new installation and ensure states API (via conditional fields module) is functional