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/Tools/lua.py

@@ -1,18 +1,38 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # encoding: utf-8
-# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file
+# Sebastian Schlingmann, 2008
+# Thomas Nagy, 2008-2018 (ita)
+
+"""
+Lua support.
+
+Compile *.lua* files into *.luac*::
+
+	def configure(conf):
+		conf.load('lua')
+		conf.env.LUADIR = '/usr/local/share/myapp/scripts/'
+	def build(bld):
+		bld(source='foo.lua')
+"""
 
 from waflib.TaskGen import extension
-from waflib import Task,Utils
+from waflib import Task
+
 @extension('.lua')
-def add_lua(self,node):
-	tsk=self.create_task('luac',node,node.change_ext('.luac'))
-	inst_to=getattr(self,'install_path',self.env.LUADIR and'${LUADIR}'or None)
+def add_lua(self, node):
+	tsk = self.create_task('luac', node, node.change_ext('.luac'))
+	inst_to = getattr(self, 'install_path', self.env.LUADIR and '${LUADIR}' or None)
 	if inst_to:
-		self.bld.install_files(inst_to,tsk.outputs)
+		self.add_install_files(install_to=inst_to, install_from=tsk.outputs)
 	return tsk
+
 class luac(Task.Task):
-	run_str='${LUAC} -s -o ${TGT} ${SRC}'
-	color='PINK'
+	run_str = '${LUAC} -s -o ${TGT} ${SRC}'
+	color   = 'PINK'
+
 def configure(conf):
-	conf.find_program('luac',var='LUAC')
+	"""
+	Detect the luac compiler and set *conf.env.LUAC*
+	"""
+	conf.find_program('luac', var='LUAC')
+