Right align header's custom menu, when in RTL mode
theme/sky_high/style/menu_dropdown.css
theme/sky_high/style/menu_rtl.css
theme/sky_high/config.php
theme/sky_high/renderers.php
theme/sky_high/pix/menu/*

Support for blocks columns switch when in rtl mode:
theme/sky_high/layout/frontpage.php
theme/sky_high/layout/general.php

Change $bodyclasses[] = 'has_custom_menu' to 'has-custom-menu' , on all themes (for consistency with other css class names)
theme/sky_high/layout/frontpage.php
theme/sky_high/layout/general.php