Author:

Markus Fisch <mf@markusfisch.de>

Contributors:

Tatiana Azundris <hacks@azundris.com>
* Modifier masks for key control

Jonas Gehring <jonas.gehring@boolsoft.org>
* Custom button actions for menus and icons

Pavel Sanda <sanda@lyx.org>
* Patch for iterating through icons from WMs
