add the possibility to like any URL via custom shortcode (facebook_url, twitter_url, gplusone_url)

add spanish translation (thanks to Andrew Kurtis from webhostinghub.com for the translation)

minify and combine all javascript files for better performance

git-svn-id: https://plugins.svn.wordpress.org/wplike2get/trunk@1012678 b8457f37-d9ea-0310-8a92-e5e31aec5664