Add ability to turn off pie slice radius "growing" on hover by doing chart.growOnHover(false), also set one of the line chart examples to fill in area.
Ran auto-indent on the examples too in order to remove in consistent indention, no logic changes in this commit.   Also removed unused nations.json
found a way to not require the repetitive "enumerable" property in the new options object format.
Fix pie/donut chart tooltip option to work so you can overide tooltip content.
build latest files.
Bump version to 1.6.0, we reformatted all the code, made a lot of bug fixes and added a lot of features to the pie/donut charts.  Seems like a good time to baseline at a higher version.
Minor example site fixes.
Merge branch 'master' into development
minor readme changes
Fix "main" path in bower.json
Merge pull request #6 from mguillermin/bower-main-path

Fix "main" path in bower.json
Bumping version in bower.json