chore(bower.json): update openlayers to 3.16.0
chore(bower.json): update openlayers to 3.16.0

StevenHeinrich/angular-openlayers-directive,gaf-ag/angular-openlayers-directive,tombatossals/angular-openlayers-directive,birdlifedk/angular-openlayers-directive,polesapart/angular-openlayers-directive,ageblade/angular-openlayers-directive,TeChn4K/angular-openlayers-directive,claycephas/angular-openlayers-directive