Merge pull request #4 from naoufal/gh-pages

integrate update jekyll to master
update post styles
add includes and tags
add previous and next functionality to posts
update post permalink
reduce post font-size to 14px on mobile
add prev and next post titles to bottom of post
edit previous and next post styling
add third blog post
change date variable reference on post layout (was using a workaround, no longer needed)
add recent blog posts to homepage
add sidebar slide function to recent posts
fix blog arrows on mobile
make 404 page redirect to naoufal.com
add description to head
add more mock posts
update and add layouts
update styles for archive page & blog list on homepage(work in progress)
update js to include slider for blog posts, will need to implement a DRYer way to do this
add gitattributes file to keep config files on merges.