page height - increase for social media widget

increase page min-height to allow for social media widget; move to a media query so smaller-screened devices don't get unnecessarily-long pages
ignore .sass-cache files
Merge branch 'master' of github.com:/macbookandrew/Guilbauds2CostaRica.com

Conflicts:
	style.css
	style.css.map
	style.scss