added 2015 links to 2014 pages to help people find their way back to the 2015 site
tweaked some wording a bit in the first paragraph and made major updates to location directions. Many people went to the wrong campus last year, so I'm hoping to make the directions even more clear. Kris / Bert should double check my work :)
Merge pull request #78 from geekygirldawn/master

Added 2015 link to 2014 pages & updated location info