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/lilv/waflib/Tools/gas.py

@@ -1,12 +1,19 @@
-#! /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
+# Thomas Nagy, 2008-2018 (ita)
 
-import waflib.Tools.asm
+"Detect as/gas/gcc for compiling assembly files"
+
+import waflib.Tools.asm # - leave this
 from waflib.Tools import ar
+
 def configure(conf):
-	conf.find_program(['gas','gcc'],var='AS')
-	conf.env.AS_TGT_F=['-c','-o']
-	conf.env.ASLNK_TGT_F=['-o']
+	"""
+	Find the programs gas/as/gcc and set the variable *AS*
+	"""
+	conf.find_program(['gas', 'gcc'], var='AS')
+	conf.env.AS_TGT_F = ['-c', '-o']
+	conf.env.ASLNK_TGT_F = ['-o']
 	conf.find_ar()
 	conf.load('asm')
+	conf.env.ASM_NAME = 'gas'