removed const on return values of fundamental types and const-correct on BTexture
removed const on return values of fundamental types and const-correct on BTexture

Arkq/fluxbox,lukoko/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,olivergondza/fluxbox,luebking/fluxbox,luebking/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,luebking/fluxbox,luebking/fluxbox,lukoko/fluxbox,Arkq/fluxbox,naimdjon/fluxbox,lukoko/fluxbox,Arkq/fluxbox,olivergondza/fluxbox,lukoko/fluxbox,olivergondza/fluxbox,lukoko/fluxbox,luebking/fluxbox,naimdjon/fluxbox,naimdjon/fluxbox,olivergondza/fluxbox,olivergondza/fluxbox