Use EF6 async in /home
GlimpseDbCommand Async support

Tips of the hat to:
* @loudej for suggesting CallContext.Logical_etData()
* @paulcbetts for async advisement
Update test solution so we have a DbGeography type
Switch WebForms test project over to different port
Fix #540 - Add check to make datareader is of currect type
Merge pull request #486 from dahlbyk/AdoAsync

Async support within Glimpse
Fix #601 - Add IsAsync indicator to SQL tab
Fix #602 - Adjusted default width of columns