Reorganize the tree for easier and better handling.

- Template helpers have been moved to templates/helpers.
- Documentation to docs/.
- Common scripts have been moved to utils/sh.
- Fixed install-destdir when executed via chroot.
- Added a build-pkg target that builds a binary package.
  The package must be installed into destdir before using.
- Misc tweaks and fixes.

--HG--
extra : convert_revision : 0896e8f24bb7592116aaf77ae9c776033818a3d8

templates/helpers/pango-update-modules.sh

@@ -0,0 +1,16 @@
+#
+# This helper updates the pango modules file when the pango package
+# has been properly installed and stowned.
+#
+
+pango_query_modules_cmd=$XBPS_MASTERDIR/bin/pango-querymodules
+pango_query_modules_db=$XBPS_SYSCONFDIR/pango/pango.modules
+
+if [ -x $pango_query_modules_cmd -a -w $pango_query_modules_db ]; then
+	$pango_query_modules_cmd > $pango_query_modules_db
+	[ "$?" -eq 0 ] && \
+		echo "=> Updated Pango's $pango_query_modules_db modules file."
+fi
+
+unset pango_query_modules_cmd
+unset pango_query_modules_db