added 0.47.5 release notes to CHANGES.txt
added 0.47.5 release notes to CHANGES.txt

husky-koglhof/crate,gmrodrigues/crate,EvilMcJerkface/crate,adrpar/crate,sunny256/crate,sunny256/crate,gmrodrigues/crate,aslanbekirov/crate,gmrodrigues/crate,adrpar/crate,husky-koglhof/crate,husky-koglhof/crate,puneetjaiswal/crate,adrpar/crate,crate/crate,crate/crate,aslanbekirov/crate,puneetjaiswal/crate,puneetjaiswal/crate,EvilMcJerkface/crate,crate/crate,aslanbekirov/crate,sunny256/crate,EvilMcJerkface/crate