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/fontconfig-update.sh

@@ -0,0 +1,9 @@
+#
+# This helpers runs fc-cache after fontconfig has been installed,
+# and update its list of fonts.
+#
+
+if [ -x $XBPS_MASTERDIR/bin/fc-cache ]; then
+	$XBPS_MASTERDIR/bin/fc-cache -f
+	[ "$?" -eq 0 ] && echo "=> Updated fontconfig fonts cache."
+fi