* reset plugin init priority from 0 to default (10)
* rewrite conditional in `init_on_demand` function to make plugin work with qTranslate forks
* compatible up to WordPress 3.9
* compatible up to WooCommerce 2.1.7

git-svn-id: https://plugins.svn.wordpress.org/im8-qtranslate-woocommerce/trunk@897269 b8457f37-d9ea-0310-8a92-e5e31aec5664