Merge pull request #4 from khanspers/master

adds new images for tools gallery
changes iframe sizes
Update tools.html
Update gestodifferent.html
changes tab title for GeStoDifferent
Merge pull request #5 from khanspers/master

new version of cbioportal image
changes image link to png
decreases iframe size for cbio
Update tools.html
fixed broken tag and updated image spans
updated page title
changed image span
updated spans for images
Update tools.html
Merge pull request #1 from nrnb/master

latest from master