Initial work on getting a download of the SVG image to work
Also disable table colouring
Show warning for unsupported old browsers
Better detection of JS array support using Modernizr
Unfortunately.. IE has to remain unsupported for now for PNG download
Add export to SVG
Use fileSaver for better cross browser support of saving a file (with support of canvas-toBlob)
Also fix SVG for hs and lg
Some small fixes
Use minified versions of d3 and jquery
Use classes (again) to select tissues. This fixes Safari 5.1
Show gene information in box
Show gene information in box