Updated chart names on front page
Renamed InsightJs => InsightJS
Fixed broken link: insight.Formatters => insight.formatters
Fixed typo: insight.Formatters => insight.formatters

Also updated combined insightChartsControllers.js after runnung grunt
Added missing semicolon to example code
Reduced width of chart in interactive example
Removed rotation from x-axis labels
Added missing semicolon
Target _new => _blank
Target _blank on twitter link
Work in progress on using insight.Tooltip
'See the code' button working using d3-tip
Show the code for all three charts
Hiding the tooltip when navigating away from the front page.
Removed tooltip.js library
Fixed jshint complaint about use of 'this'
Merge pull request #206 from niksoper/gh-pages-dev-tooltip

Website visual testing changes