Implemented post update date and reading time.

Update date is shown if it is defined in the post's front matter.
Merge pull request #73 from WrinklyNinja/post-metadata

Implemented post update date and reading time.
Add small class to minutes read meta data.
Update _config.yml

Enabling animation
Update CNAME
Delete CNAME
Update _config.yml
Ensure site title is centered on mobile, closes #75.
Grab form spree email from the site config. Closes #78.
Updating _config.yml, index.html, _main.scss, post.html from d9b75f2bf6f328a6a350521693d9eeb27adf10a4
Add translate3d to transform, closes #74.
Fix whitespace.
Copy over gh-pages config.
Create CNAME