added standalone highcharts, 5 min intervals over lifespan of the error, needs a test on staging with lots of errors
removed include tag
indentation
removed highcharts and added google charts
removed more highcharts references
more charts work
Use scatter chart

Remove empty bins (there is no need for them)
Merge pull request #4 from ukch/charts

Use scatter chart
merge master
Use the cache when getting Error instances to workaround consistency issues on App Engine
Merge commit 'b6db5a6'