added support for looking at project growth over multiple workspaces
removed some console.logs
added ability to export current number of projects for open workspaces
added file utilities file
added date pickers to select date range for chart
fixed loading issue when redrawing the chart
fixed loading issue and export
added logging to verify that some workspaces don't have any history
Merge pull request #2 from kcorkan/master

added multiple workspace view and export functions