Fix for menu bars created in Interface Builder not showing up with nib2cib.
Fix for menu bars created in Interface Builder not showing up with nib2cib.

Closes #5.

Reviewed by me.

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