Update local LV2 libraries to latest versions

lilv-0.24.6
   lv2-1.16.0
   serd-0.30.2
   sord-0.16.4
   sratom-0.6.4
   suil-0.10.6

lib-src/lv2/sratom/waflib/extras/local_rpath.py

@@ -0,0 +1,21 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# Thomas Nagy, 2011 (ita)
+
+import copy
+from waflib.TaskGen import after_method, feature
+
+@after_method('propagate_uselib_vars')
+@feature('cprogram', 'cshlib', 'cxxprogram', 'cxxshlib', 'fcprogram', 'fcshlib')
+def add_rpath_stuff(self):
+	all = copy.copy(self.to_list(getattr(self, 'use', [])))
+	while all:
+		name = all.pop()
+		try:
+			tg = self.bld.get_tgen_by_name(name)
+		except:
+			continue
+		if hasattr(tg, 'link_task'):
+			self.env.append_value('RPATH', tg.link_task.outputs[0].parent.abspath())
+			all.extend(self.to_list(getattr(tg, 'use', [])))
+