Update album configuration documentation
Update album configuration documentation

desaintmartin/gallery,setnes/galleryplus,efueger/galleryplus,owncloud/gallery,owncloud/gallery,setnes/gallery,setnes/gallery,viraj96/gallery,IATkachenko/gallery,imjalpreet/gallery,interfasys/galleryplus,patman15/galleryplus,interfasys/galleryplus,patman15/galleryplus,leftees/galleryplus,setnes/galleryplus,efueger/galleryplus,desaintmartin/gallery,owncloud/galleryplus,IATkachenko/gallery,tahaalibra/gallery,leftees/galleryplus,leftees/galleryplus,viraj96/gallery,imjalpreet/gallery,setnes/galleryplus,desaintmartin/gallery,imjalpreet/gallery,IATkachenko/gallery,owncloud/galleryplus,viraj96/gallery,tahaalibra/gallery,setnes/gallery,owncloud/galleryplus,tahaalibra/gallery,patman15/galleryplus,owncloud/gallery,interfasys/galleryplus