Fixes overlap of homepage buttons.
removes unncessary commenting
resizes boston image to same aspect ratio as other images, uploads optimized versions
Removes space under carousel images.
Dissatisfying styles to make captions readable.

This could still look and work better.
increases transparency of caption background for better visibility of exhibit image
fixes image height of demo images on demo page - had been negatively affected by changing the splash div height to auto while correcting issues with the carousel
Fix JS errors

Semicolons are often options, but not always...
resolve conflict
Merge branch 'master' into gh-pages