Sitio immersity basado en agency-jekyll-theme

    Andres's picture is updated
    Design updated.
        - About section is replaced by blog
        - New section about us is created which contains the immersity video.
        - The Privacy Policy and Terms links were removed.
        - The twitter and facebook link were removed.
    Some fixes.
        - Change the background image.
        - Change the color font on welcome text.
        - Tell me more button go to the video section.
    Contact form cleanup (and indentation).
    Implements contact form via brace forms.
    Updates _site cache.
    Update the blog section.
        - Now it's posible to create post and these are going to appear on blog sections immediately.
        - To write a post you have to: create a file on the dir _post with a name accordind this format: YEAR-MONTH-DAY-title.MARKUP. Example: 2014-11-15-new-post.md
    Updates the site.
        - Remove unused layouts.
        - Remove unused pages.
        - Clean up _config.yml.
        - Remove includes not being used.
        - Rename everything regarding portfolio and portfolio_grid with blog
        - Remove images not being used.
    Improves fonts and backgroud image.
    Renames the category of the first post.
    Removes trailing spaces.
    Renames to map-bg for consistency.
    Little clean ups.
    	- Renamed #portfolioModal to #post.
    	- Wrote an actual _layout/default template (uses {{ content }}).
    	- Fixed index to use the new layout.
    	- Removes layout from the post since it opens as a modal.
    Rearranges the style inclusions to avoid confusion.
    Removes execution access to stylesheet.
    Removes yet another level of indirection.
    Now the resources are organized more cleanly:
    	- _includes: only has html partials.
    	- _layouts: has only used layouts.
    	- css: has all css files.
    	- img: has all img files.
    	- js: has all javascript files.
    Change some statements on the site
    Changes contact line.
    Cleans up indentation.