Make it possible to load translations for multiple libraries
Make it possible to load translations for multiple libraries

Closes #508

gilir/liblxqt-qt5,stefonarch/liblxqt,gilir/liblxqt-qt5,pmattern/liblxqt,rbazaud/liblxqt,ThomasVie/liblxqt,ThomasVie/liblxqt,lxde/liblxqt,rbazaud/liblxqt,pmattern/liblxqt,lxde/liblxqt,stefonarch/liblxqt