set property VcpkgEnabled=true explicitly
include UlibCpp using vcpkg, not using NuGet
moved setting up vcpkg to install step in appveyor build
added copying MACDll.dll from vcpkg_installed folder
remove nlame dependency from winlame project; already in encoder project
fixed compiling code for Monkey's Audio SDK 9.04
minimal change to appveyor.yml to clear binary cache
updated Clean.cmd with more folders and files to remove