[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.

tango/lib/gc/basic/gc.d

@@ -69,15 +69,8 @@ extern (C) void gc_term()
     //
     // NOTE: Due to popular demand, this has been re-enabled.  It still has
     //       the problems mentioned above though, so I guess we'll see.
-    version(LLVMDC)
-    {
-    // currently crashes a lot
-    }
-    else
-    {
     _gc.fullCollectNoStack(); // not really a 'collect all' -- still scans
                               // static data area, roots, and ranges.
-    }
     _gc.Dtor();
 }