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/gtk-update-icon-cache.sh

@@ -0,0 +1,14 @@
+#
+# This helper updates the GTK's theme icon cache as requested by
+# any template.
+#
+
+gtkupdate_iconcache_cmd=$XBPS_MASTERDIR/bin/gtk-update-icon-cache
+iconcache_theme_dir=$XBPS_MASTERDIR/share/icons/hicolor
+
+if [ -x $gtkupdate_iconcache_cmd -a -d $iconcache_theme_dir ]; then
+	$gtkupdate_iconcache_cmd -f -t $iconcache_theme_dir && \
+		echo "=> Updated GTK's hicolor icon cache theme."
+fi
+
+unset gtkupdate_iconcache_cmd iconcache_theme_dir