Update page layout, add pagination

Keep a majority of styles from page to page the same. Added pagination
to blog.

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Add public GPG key, move some components to include

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Remove class 1 headers from posts

Class 1 headers tamper with the post excerpts, removed old unused image

Signed-off-by: Alberto Corona <albcoron@gmail.com>