Move all patches to templates/$pkgname/patches.

There's no need to set patch_files/patch_args anymore, all patches
in this directory will be applied with -Np0 and they have .diff
or .patch (and .gz/.bz2) extension.

--HG--
extra : convert_revision : 8d516c033fe34db94ebbcc84c246e84fc96ed901

templates/babl/patches/fix_extensions_rpath.diff

@@ -0,0 +1,11 @@
+--- extensions/Makefile.in.orig	2009-08-17 11:06:49.321238565 +0200
++++ extensions/Makefile.in	2009-08-17 11:06:59.065205114 +0200
+@@ -242,7 +242,7 @@ AM_CPPFLAGS = \
+ 	-I$(top_srcdir)/babl		\
+ 	-I$(top_srcdir)/extensions
+ 
+-extdir = $(DESTDIR)$(libdir)/babl-@BABL_API_VERSION@
++extdir = $(libdir)/babl-@BABL_API_VERSION@
+ ext_LTLIBRARIES = \
+ 	CIE-Lab.la      \
+ 	gegl-fixups.la  \