Breaking: #69291 - Changed registration of backend module icons 

Description 

The sprite icon support for backend modules introduced with CMS 7.3 has been adjusted again. The configuration has been streamlined.

Impact 

The specified icon will not be recognized.

Affected Installations 

Any installation running TYPO3 CMS 7.3+ having third party extensions which use sprite icons for backend modules.

Migration 

Change the configuration from

'configuration' => array(
	'icon' => 'module-web',
),

to

'iconIdentifier' => 'module-web',