Added some more tests
A first gl tile performance test with the grid tile, 0.5 milion points and a custom simplified shader
Use the real shaders from the clustering animation
Perf test bugfixes
128 tiles in test, not 4
Pull stacktrace.js from stable branch
Merge branch 'master' of github.com:SkyTruth/data-visualization-tools
Merge branch 'master' of github.com:SkyTruth/data-visualization-tools