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

control.cpp

@@ -1,6 +1,8 @@
 // Hyperbolic Rogue -- control
 // Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
 
+namespace hr {
+
 int frames;
 bool outoffocus = false;
 
@@ -885,3 +887,5 @@ bool handleCompass() {
 
   return false;
   }
+
+}