Create a Javascript Module Chooser

This should be tested in as many browsers as possible. Picker: Add a new course Verify that you can see an 'add a new resource/activites' link on all sections Verify that when clicked a popup window appears displaying a list of activites/resources Verify that when you select a module that the associated help text is associated with it Verify that there is a link to moodle docs with at the end of the help text and that opens in a new window Verify that you can select each of resource/activites and see help associated with that module Verify that when next is clicked that you are taken to the resource/activity Verify that you can double click an activity and are taken to the add/resource Verify that you can close the popup by clicking the x, cancel or pressing escape Verify that you can navigate up and down the list of modules using the keyboard Switch course format between topics & weeks and verify that you can still use the module secltor Switch between paged and all sections on one page and verify that you can still use the selector In social format verify that you can still add activities/resources in the Social activities block Switch between modes: In the course settings menu, try out the enable/disable dialogue button and verify that it switches between the new selector and old dropdowns Verify that your preferences for enabling/disabling the picker are saved between logouts/changing courses JS Disabled: Confirm that you can add a new resource and course module as expected using the drop down menus