Code Model: Fix CodeFunction.Name for C# conversion operators

Remove linux coreclr binary patching

Smart indenter should not throw when enter is pressed after invalid query continuation

Implement Go To Implementation

In Visual Studio 2013, CodeFunction.Name for C# conversion operators listed the "implicit/explicit" keyword first and the "operator" keyword second. In Visual Studio 2015, we accidentally swapped these. Unfortunately the v1 Workflow Designer depends on this value and the change broke scenarios where conversion operators are used. That change fixes that discrepancy and adds more unit tests around FullName and Name for operators.

After updating to the latest CoreCLR NuGet packages we no longer need to
be copying binaries from a drop share to run. This change adds a csc.sh
and a vbc.sh so we can run on the CoreRun host on Linux like we do on
Windows. The change also eliminates some cruft from the cibuild like the
semaphore restore.

By placing it under the IDG_VS_EDIT_GOTO menu with CommandWellOnly,
the command gets the name we want -- Edit.GoToImplementation -- but
isn't visible. We then place it where we want it to be.

This behaves more or less exactly the same as IGoToDefinitionService.

This requires some updated handling of our INavigableItem interface.
The Visual Studio implementation previously would only show the
DisplayString if it had children, and would otherwise show file
location and the source snippet. For implementations, the source
snippet is somewhat useless: in the case of methods you just see
the method signature a bunch of times. Thus, we wanted to show source
location and a fully qualified name, something which wasn't expressible.

The new interface now has DisplayString, which can be null if you want
the string to be line from the source. Whether you want to show the file
location is explicitly called out now too.

It can contain modifiers or other things, so it's not just a name.

Our INotificationService took a title and a message. In VS, the title
and message were just concatenated together on consecutive lines and
both displayed in the "message" portion of the message box. In other
hosts, we used the title as the "real" message box title. Features
were terribly inconsistent with how this was handled. Some features
expected the VS behavior (and would have had clipped text in other
hosts). Other features didn't expect the VS behavior, making ugly
dialogs.

The new behavior: the title is reserved for the title bar. This is
ignored for the VS implementation, but should just be (if anything)
the name of the feature complaining about something. All features who
actually wanted the concatenation behavior are now doing so explicitly.

In the smart indenter, we try to find a reasonable query clause. However, in a particular mangled case (e.g. "from i in l into x") there isn't a clause to use. If that happens, just compute the default indentation rather than throwing an InvalidOperationException.

Add CodeFix providers for warnings BC40003 and CS0108

TryGoToDefinition accepted a containingTypeSymbol which was used
to do some specific logic to see if third-party navigation is allowed.
Move that logic to the AbstractGoToDefinitionService and just pass the
result of the logic through.

Fix issue when pressing ENTER in XML doc comments with a selection

In order to insert XML doc comment exterior trivia (e.g. /// or '''), we grab the caret position prior to the new line being inserted into the editor and then perform a bit of analysis afterward using that position. However, if there's a selection in the editor and the caret is at the end of that selection, the position will be in an unexpected place in the syntax tree, causing that bit of analysis to fail. So, in this case (and all cases), we use the start of the selection as the position to perform analysis on since that position will be consistent after the new line is inserted.

made InternalsVisibleToMoq item hidden in solution explorer

fixed race in task providers

Show property accessor accessibility in CSharp QuickInfo

Add a server mutex to VBCSCompiler

Remove dogfood configurations

Fix mixed encoding