Updated directory structure and build steps

* seperate build-supplemental from build-version
* version.cpp now included in cmake config, not directly imported
* socket moved into its own directory
* test_www removed from project

src/file_main.cpp

@@ -1,4 +1,4 @@
-#include "./anthracite_main.hpp"
+#include "./anthracite.hpp"
 #include "backends/file_backend.hpp"
 
 using namespace anthracite;