Update MAX/MIN_WIDTH and MAX/MIN_HEIGHT configuration docs (#1183)
Update MAX/MIN_WIDTH and MAX/MIN_HEIGHT configuration docs (#1183)


thumbor/thumbor,thumbor/thumbor,scorphus/thumbor,gi11es/thumbor,kkopachev/thumbor,thumbor/thumbor,scorphus/thumbor,kkopachev/thumbor,thumbor/thumbor,scorphus/thumbor,okor/thumbor,scorphus/thumbor,voxmedia/thumbor,kkopachev/thumbor,okor/thumbor,gi11es/thumbor,voxmedia/thumbor,voxmedia/thumbor,okor/thumbor,kkopachev/thumbor,gi11es/thumbor