Commented Issue: VS crashes at launch if the interactive window is left open at the previous VS session [939]

Configuration:
1. Windows 8.1 with the latest updates. CHS (but this is not language specific)
2. VS 2013
3. NTVS private build 20508.00
4. Azure SDK

Repro steps:
1. Start VS, open the Node.js Interactive Window
2. Close VS
3. Relaunch VS

Actual Results:
VS crashes at lunch with the following exception:
System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.NodejsTools.Extensions.GetAnalyzer(ITextBuffer buffer) at Microsoft.NodejsTools.Extensions.GetAnalyzer(ITextView textView) at Microsoft.NodejsTools.Intellisense.IntellisenseControllerProvider.TryCreateIntellisenseController(ITextView textView, IList`1 subjectBuffers) at Microsoft.VisualStudio.Language.Intellisense.Implementation.IntellisenseManagerConnectionListener.<>c__DisplayClass5.<SubjectBuffersConnected>b__1(IIntellisenseControllerProvider provider) at Microsoft.VisualStudio.Text.Utilities.GuardedOperations.InstantiateExtension[TExtension,TMetadata,TExtensionInstance](Object errorSource, Lazy`2 provider, Func`2 getter)


Comments: > VS crashes at lunch Too many carbs...