Changed some runtime asserts to boost::static_asserts.

Added FindInstances postprocessing step. Not fully tested yet, but seems to work well. Enabled it for the viewer, too.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@327 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

include/BoostWorkaround/boost/static_assert.hpp

@@ -0,0 +1,20 @@
+
+#ifndef AI_BOOST_STATIC_ASSERT_INCLUDED
+#define AI_BOOST_STATIC_ASSERT_INCLUDED
+
+#ifndef BOOST_STATIC_ASSERT
+
+namespace boost {
+	namespace detail {
+
+		template <bool b>  class static_assertion_failure;
+		template <>        class static_assertion_failure<true> {};
+	}
+}
+
+
+#define BOOST_STATIC_ASSERT(eval) \
+{boost::detail::static_assertion_failure<(eval)> assert_dummy;assert_dummy;}
+
+#endif
+#endif // !! AI_BOOST_STATIC_ASSERT_INCLUDED