[svn r42] Disabled the extensive logging by default. Use the -vv flag to get it back.

Fiddled a bit the the testing system.
Added a very simple SDL graphics demo.

test/structinit.d

@@ -22,3 +22,4 @@ void main()
     //assert(a == S.init);
     //assert(b == S(0,3.14f,0,real.init));
 }
+