updated download to svg method with canvas support check and js function support checks
adding banner
banner addition
Merge pull request #48 from shrimalmadhur/master

Added Show/Hide legend config property. Fixed issue for area chart.
Merged changes from ksnov
JSLint corrections and downloadLabel config option added
Merge pull request #49 from hashd/master

Merged changes from ksnov featuring Banner on library dist files
Added config for tooltip format.

Added utility method to use specified tooltip format using %c, %l and %v.
Merge branch 'master' of github.com:Imaginea/uvCharts
Merge pull request #50 from priyankadudani/master

Added configuration option for tooltip text format.
Added opacity for axis lines
Added strokecolor and width for pie and donut as default in config.js
Added strokecolor on points represented by circles in line graph
Merge pull request #51 from hashd/master

Changes to pie, donut and line chart
Some palette changes