:ant: minifying image assets to avoid unnecessary gh-pages diffs
:ballot_box_with_check: Switching schedule filters to checkbox characters; Better readme for icon fonts.
:santa: Added Acquia logo; Hanging logos now get centered on mobile and desktop.
:pencil2: Adding icon fonts for checkboxes in case we want to use them later.
Fixed Credits/Github text layout in footer.
:white_check_mark: Schedule filters use icon fonts; Updated DCATX icon font; Added Github icon.
Merge branch 'master' into gh-pages

Conflicts:
	css/partials/design/sponsor-logos.css
	css/style.css
:postal_horn: deploy script