index.html:

  - Refer to header boost/connection.hpp, not connection class

tutorial.html:
  - Get rid of some pre-nifty-syntax cruft
  - Complete (?) tutorial


[SVN r15357]

libs/signals

@@ -1 +1 @@
-Subproject commit 7d3d5f89e5b1385627b6e26a9798c79b19571705
+Subproject commit 933cc8d4440e654693963ab20d0fc9fe3c659cea