* 3326 Removed sqlConnection.Open from CreateSqlConnection in ConnectionService.
* 3326 Removed unused variables and functions from ConnectedBindingContext, ConnectedBindingQueue, IBindingContext, and IConnectedBindingQueue
* 3326 Removed unused constant SqlAzureEdition and unused functions CreateSqlConnection and CreateServerConnection from ConnectionService. Removed ServerConnection, MetadataDisplayInfoProvider, Binder, and SmoMetaDataProvider from ConnectedBindingContext. Deleted SqlConnectionOpener and ISqlConnectionOpener.
* 3278 Moved functions related to Metadata from DataSourceFactory to MetadataFactory.cs
* 3278 Refactored DataSourceFactory to not be static. Added IDataSourceFactory interface.
* 3278 Refactored IKustoIntellisenseHelper.cs to not be static. Added IKustoIntellisenseHelper.cs interface.
* 3278 Removed unused functions from Scripter and deleted ScripterCore.cs because it was unused. Refactored Scripter.cs methods to not be static and created IScripter.cs
* 3278 Refactored datsasourceConnectionFactory in ConnectionService to use MEF through the InitializeService function
* 3278 Refactored IAutoCompleteHelper to not be static and added IAutoCompleteHelper interface.
* 3278 Removed unused classes DatabaseFullAccessException and FeatureWithFullDbAccess. Refactored ObjectExplorerService to use ImportingConstructor attribute. Removed commented out in KustoResultsReader. Removed unused functions from DatabaseLocksManager. Removed unused IDataSourceConnectionFactory from ConnectionService
* 3278 Moved SqlConnectionOpener class to new file. Added new interfaces IConnectedBindingQueue.cs and ISqlConnectionOpener.cs Added sqlConnectionOpener to dependency in ConnectedBindingQueue.
* 3278 Removed needsMetadata param from ConnectedBindingQueue. Added param to AddConnectionContext where it's used
* 3278 Refactored ConnectedBindingQueue to use MEF. Refactored usages to run against interface.
* 3278 Corrected ServiceHost namespace. Removed unused dependency to sqlToolsContext in LanguageService. Updated dependency in MetadataService and LanguageService to IProtocolEndpoint instead of ServiceHost
* 3278 Added back NextResult function and summary to KustoResultsReader. Renamed instance to _instance in ConnectionService and DatabaseLocksManager to stay consistent. Changed OpenDataSourceConnection to private in ConnectionService
* 3278 Converted helper methods back to static and removed backing interfaces
* 3278 Reverted AdminService > InitializeService to use ServiceHost as param