Merge pull request #7 from zachwhaley/master

Filled out About page
Merge pull request #8 from zachwhaley/add-social-media-buttons

Added Facebook like and share button to each Greyhound page.
Merge pull request #9 from zachwhaley/master

Replaced hard coded url with jekyll generated url
Added Adoption page.

Contains info about adopting a greyhound from GPA and a link to
download the application pdf.
Added the Adoption FAQs page.
Fixed spacing issues on pages and buttons
Merge pull request #11 from zachwhaley/adoption-page

Adoption page
Merge remote-tracking branch 'upstream/master'