Replaced chart.min.js by minimized (yuicompressor-2.4.8) version of improved vrsion of this chart (from https://github.com/FVANCOP/ChartNew.js)
Since (https://github.com/nnnick/Chart.js/) no longer support. And last update was 7 months ago.
The new vesion has a lot of improvements, has backward compatibilty and support negative values very well.
Merge pull request #7 from skywinder/new-version-ChartJS

New version of ChartJS