Merge pull request #14 from maaviles/macyBranch

added pictures to exp details abd added link back to homepage on all pages
Merge pull request #15 from maaviles/macyBranch

added links to each other
Merge pull request #16 from maaviles/macyBranch

added header image to expo page, it's not working right yet but here it ...
Merge pull request #17 from maaviles/macyBranch

kind of ghetto fixed the header in expo page. good enough
tried adding a javascript map but didn't have time to properly style it... so I commented out the code and just put a picture in for now. at least he'll see the code commented out? i only put it in the expdetails.html so it wouldn't get confusing in the other files