Closes #926. Don't display a menu when a CPPopUpButton is right clicked, especially not a broken one.
Closes #926. Don't display a menu when a CPPopUpButton is right clicked, especially not a broken one.

daboe01/cappuccino,dgvivero/CappCoreData,wangshijin/cappuccino,koamac/Cappuccino,daboe01/cappuccino,mrcarlberg/cappuccino,wangshijin/cappuccino,enquora/cappuccino,eventualbuddha/cappuccino,koamac/Cappuccino,cappuccino/cappuccino,kidaa/cappuccino,Rosch/cappuccino,cacaodev/cappuccino,wangshijin/cappuccino,primalmotion/cappuccino,krodelin/cappuccino,enquora/cappuccino,deltaprojects/cappuccino,mrcarlberg/cappuccino,rgv151/cappuccino,mrcarlberg/cappuccino,zittix/cappuccino,280north/cappuccino,wangshijin/cappuccino,akshell/cappuccino,deltaprojects/cappuccino,FrankReh/cappuccino,zittix/cappuccino,eventualbuddha/cappuccino,dgvivero/CappCoreData,zittix/cappuccino,AlexanderMazaletskiy/cappuccino,rgv151/cappuccino,dgvivero/CappCoreData,mrcarlberg/cappuccino,Rosch/cappuccino,rgv151/cappuccino,tancred/cappuccino,krodelin/cappuccino,koamac/Cappuccino,akshell/cappuccino,krodelin/cappuccino,Dogild/cappuccino,tancred/cappuccino,krodelin/cappuccino,dgvivero/CappCoreData,tancred/cappuccino,280north/cappuccino,AlexanderMazaletskiy/cappuccino,rgv151/cappuccino,kidaa/cappuccino,koamac/Cappuccino,mrcarlberg/cappuccino,cappuccino/cappuccino,krodelin/cappuccino,daboe01/cappuccino,FrankReh/cappuccino,wangshijin/cappuccino,280north/cappuccino,mrcarlberg/cappuccino,eventualbuddha/cappuccino,deltaprojects/cappuccino,enquora/cappuccino,cacaodev/cappuccino,tolmasky/cappuccino,Rosch/cappuccino,kidaa/cappuccino,deltaprojects/cappuccino,cappuccino/cappuccino,kidaa/cappuccino,tolmasky/cappuccino,tolmasky/cappuccino,Dogild/cappuccino,cacaodev/cappuccino,mrcarlberg/cappuccino,AlexanderMazaletskiy/cappuccino,rgv151/cappuccino,dgvivero/CappCoreData,krodelin/cappuccino,cacaodev/cappuccino,eventualbuddha/cappuccino,cacaodev/cappuccino,FrankReh/cappuccino,Rosch/cappuccino,wangshijin/cappuccino,tolmasky/cappuccino,Dogild/cappuccino,FrankReh/cappuccino,cacaodev/cappuccino,280north/cappuccino,deltaprojects/cappuccino,tancred/cappuccino,Rosch/cappuccino,Dogild/cappuccino,kidaa/cappuccino,enquora/cappuccino,Dogild/cappuccino,cappuccino/cappuccino,tolmasky/cappuccino,Rosch/cappuccino,FrankReh/cappuccino,rgv151/cappuccino,akshell/cappuccino,rgv151/cappuccino,primalmotion/cappuccino,enquora/cappuccino,enquora/cappuccino,daboe01/cappuccino,zittix/cappuccino,Rosch/cappuccino,mrcarlberg/cappuccino,zittix/cappuccino,kidaa/cappuccino,koamac/Cappuccino,zittix/cappuccino,deltaprojects/cappuccino,cappuccino/cappuccino,cacaodev/cappuccino,primalmotion/cappuccino,krodelin/cappuccino,tancred/cappuccino,primalmotion/cappuccino,zittix/cappuccino,Dogild/cappuccino,primalmotion/cappuccino,enquora/cappuccino,AlexanderMazaletskiy/cappuccino,FrankReh/cappuccino,AlexanderMazaletskiy/cappuccino,daboe01/cappuccino,cappuccino/cappuccino,Dogild/cappuccino,deltaprojects/cappuccino,primalmotion/cappuccino,daboe01/cappuccino,koamac/Cappuccino,tancred/cappuccino,AlexanderMazaletskiy/cappuccino,primalmotion/cappuccino,280north/cappuccino,FrankReh/cappuccino,FrankReh/cappuccino,daboe01/cappuccino,cappuccino/cappuccino,akshell/cappuccino