update calendar with upcoming events

added short descriptions and linked to event brite pages
ignore .DS_Store and *~ files
replacing lorempixel with placekitten and placedog (loading issues)
adding some date and location placeholders to .jumbo.prime
Starting to fix responsive layout

moved @import to bottom of main.css (override custom styles with custom responsive)
added styles (mostly padding, margins, etc) for 640 wide and 960 wide
Moving @import bootstrap-min to main-responsive.scss

Importing bootstrap-min as the baseline for our custom responsive styles
additional fixes to responsive styles
Updating min-width of .event .date block to ensure short dates still have consistent block width
updated faq with some simple questions
link join to hackathon.io site
Updating line-height of faq page descriptions
move to hackerleague.org for registration
Content changes

Added correct time and location to featured heading section
Changed sub headers
use correct links for eventbrite eventes
Added images and edited copy in main and faq views.
Actually adding those images ;)
Merge branch 'master' of https://github.com/daveywilkie/hackuh-web

Conflicts:
	app/views/main.html