moved all the HyperRogue stuff except RogueViz to namespace 'hr' -- useful when using hr as a library

hyperweb.cpp

@@ -19,21 +19,23 @@
 #endif
 
 #ifdef FAKEWEB
-void mainloopiter();
+namespace hr { void mainloopiter(); }
 template<class A, class B, class C> void emscripten_set_main_loop(A a, B b, C c) { while(true) mainloopiter(); }
 #else
 #include <emscripten.h>
 #include <emscripten/html5.h>
 #endif
 
-void initweb();
-void emscripten_get_commandline();
+namespace hr { 
+  void initweb();
+  void emscripten_get_commandline();
 
-void loadCompressedChar(int &otwidth, int &otheight, int *tpix);
+  void loadCompressedChar(int &otwidth, int &otheight, int *tpix);
 
-const char *wheresounds;
+  const char *wheresounds;
+  }
 
-#include "hyper.cpp"
+namespace hr {
 
 // -- demo --
 
@@ -192,4 +194,6 @@ void emscripten_get_commandline() {
   free(str);
 #endif
   }
+}
 
+#include "hyper.cpp"