Fix of bug loading styles and scripts. Fix of bugs with the names of some functions. Organization of translation files in the folder structure.

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-html5-video/trunk@790563 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adjusmtent on styles of the back-end side

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-html5-video/trunk@790571 b8457f37-d9ea-0310-8a92-e5e31aec5664