Update to boost 1.76.0 build 897

Update to collada-dom 2.3.0 build 904
Update to curl 7.54.1 build 899
Update to freetype 2.10.4 build 890
Update to libjpeg-turbo 2.1.0 build 894
Update to libxml2 2.9.12 build 901
Update to minizip-ng 3.0.2 build 884
Update to nghttp2 1.43.0 build 895
Update to openssl 1.0.2u build 886
Update to uriparser 0.9.5 build 893
Update to zlib-ng 2.0.3 build 883