Liquid image template now includes the image link
Basic code to allow multilingual posts

* The post links are shorter, including only its title.
* The code in the post.html checks if the kewords 'lang' and 'trans'
exist, adding links to the translations.
* Some CSS configuration was made for the language options.
* The command 'rake' now includes all new keywords on the posts.
Fixing a small typo and preparing for future translations