Adding social media details to the about page
Adding social media links to the bottom of the page in the footer. 

Addresses issue #41
Improved bootstrap layouts and added footer social links
Merge branch 'master' of https://github.com/UoGSOCIS/uogsocis.github.io into social-icons

Conflicts:
	_includes/footer.html
Merge pull request #44 from UoGSOCIS/social-icons

Add social icons to footer