Merge pull request #44 from cwhite911/master

update hackathon.html
fixed presented by images
Merge pull request #45 from daveism/master

fixed presented by image heighs
cell fix
cell fix
Merge pull request #46 from daveism/master

fix cells
adjust presented by images
adjust presented by images
Merge pull request #47 from daveism/master

fixed presented by image widths and heights