Meet all the basic WP theme requirements

[joseluis]

Among them:

• Fix all misspelled instances of WordPress done
• Unique prefix to everything the name defines (variables, functions...)
• Make it child theme ready
• The screenshot must be an actual screenshot
• Use esc_attr() for text inputs and esc_textarea() for textareas. done
• If a tag is used in style.css the theme should support that feature or adhere to what that tag stands for. (link)
• Use *_url() template tags, rather than bloginfo() equivalents. done

List of requirements

NOTE: This issue will be closed once the theme is sent and accepted in the WordPress.org theme repository.

Related: #50 (Accesibility Ready)