Moved method to get connection string by name into a common location
Added checking `<connectionStrings>` in `web.config` in addition to old `appSettings`
switched to use Connection String method in Util.cs
switched to use Connection String method in Util.cs
switched to use Connection String method in Util.cs
Fixed missing `using` and variable type issue.
Updated REAMDE to show Connection Strings in newer format
Updated web.config transform to show Connection Strings in newer format
Updated Sample project web.config to show Connection Strings in newer format
Merge pull request #7 from ChaverimGW/master

Use Connection String from `<connectionStrings>` in addition to `<appSettings>`