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/serd/waflib/waf

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+# Minimal waf script for projects that include waflib directly
+
+import sys
+import inspect
+import os
+
+try:
+    from waflib import Context, Scripting
+except Exception as e:
+    sys.stderr.write('error: Failed to import waf (%s)\n' % e)
+    if os.path.exists('.git'):
+        sys.stderr.write("Are submodules up to date? "
+                         "Try 'git submodule update --init --recursive'\n")
+
+    sys.exit(1)
+
+
+def main():
+    script_path = os.path.abspath(inspect.getfile(inspect.getmodule(main)))
+    project_path = os.path.dirname(script_path)
+    Scripting.waf_entry_point(os.getcwd(), Context.WAFVERSION, project_path)
+
+
+if __name__ == '__main__':
+    main()