These changes fix several points and suggested changes:
* increase the size of the help popup to 800x600
* fix issues with centering of the dialogue
* swap next/cancel buttons
* convert next button to use string for 'Add'
* convert add text to 'Add an activity or resource'

Conflicts:
	mod/quiz/db/upgrade.php

Conflicts:
	course/externallib.php
	lib/db/services.php
	version.php

* Change markup way from 'activity module style' to its own markup
* Remove 'a new' from the 'add an activity' string
* Remove the 'personalisation' from the nohelp lang string

Andrew Robert Nicols authored Nov 25, 2011 and Dan Poltawski committed May 18, 2012

This interface allows for additional metadata, such as the module's help
and icon, to be displayed.

Helen Foster authored May 14, 2012 and Dan Poltawski committed May 18, 2012

Thanks to Mary Cooch & Martin Dougiamas who contributed to this
rewording.

AMOS BEGIN
   REM These module help texts are going to be displayed more prominently in the Moodle interface
AMOS END