Created Issue: Analysis caused crash? [1375]

Using build 20903.00, VS 2013 Update 3
I had the task explorer extension installed, with the task explorer tool window opened, but there was nothing in it. I don't know if it's related yet, will update if I find out.

```
Application: devenv.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.Runtime.InteropServices.SEHException
Stack:
at Microsoft.VisualStudio.Editor.Implementation.SimpleTextViewWindow.Init_InitializeWpfTextView()
at Microsoft.VisualStudio.Editor.Implementation.SimpleTextViewWindow.Init_OnActivation()
at Microsoft.VisualStudio.Editor.Implementation.SimpleTextViewWindow.get_WpfTextViewHost()
at Microsoft.VisualStudio.Editor.Implementation.SimpleTextViewWindow.GetData(System.Guid ByRef, System.Object ByRef)
at Microsoft.VisualStudio.Editor.Implementation.VsEditorAdaptersFactoryService.GetWpfTextViewHostFromVsTextView(Microsoft.VisualStudio.TextManager.Interop.IVsTextView)
at Microsoft.VisualStudio.Editor.Implementation.VsEditorAdaptersFactoryService.GetWpfTextView(Microsoft.VisualStudio.TextManager.Interop.IVsTextView)
at Microsoft.NodejsTools.Intellisense.VsProjectAnalyzer.GetOpenSnapshot(Microsoft.NodejsTools.Analysis.IProjectEntry)
at Microsoft.NodejsTools.Intellisense.VsProjectAnalyzer.ParseFile(Microsoft.NodejsTools.Analysis.IProjectEntry, System.String, System.IO.Stream)
at Microsoft.NodejsTools.Intellisense.VsProjectAnalyzer+<>c__DisplayClass6.<EnqueueFile>b__5()
at Microsoft.NodejsTools.Intellisense.VsProjectAnalyzer+<>c__DisplayClass9.<EnqueWorker>b__8(System.Object)
at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
```