Merge master to features/ioperation

Merge remote-tracking branch 'upstream/master' into merges/master-to-features/ioperation-20170810-070014

Merge master to features/ioperation

Recommend 'case' keyword after a pattern-case-clause.

Trim the length of the banner that we show for outlining down a bit.

Typo

Warn if user replaces a method that overrides a metadata method with a property

Fix issue where Metadata as source wasn't properly handling Xml doc files with LF newlines.

fixed issue in C# GetBindableSyntaxNode which return bindable node th…

* Use 'default' over 'default(T)'

* Update BreakpointSpans.cs

* Update DeclarationNameCompletionProvider.DeclarationInfo.cs

* Update BreakpointSpans.cs

* Update DeclarationNameCompletionProvider.DeclarationInfo.cs

* Update DeclarationNameCompletionProvider.DeclarationInfo.cs

* Update DeclarationNameCompletionProvider.DeclarationInfo.cs

* Update BreakpointSpans.cs

Fix error handling in unit tests

Fix IEventAssignmentExpression

Correct comment about parameterized property

Merged on behalf of @svick 
Thanks for the contribution!

Merge remote-tracking branch 'upstream/master' into merges/master-to-features/ioperation-20170808-070019

Fix crash when encountering a parenthesized expression when converting an 'if' to a 'switch'

made NFW to use normal watson if given exception is non recoverable exception in OOP

Conversion expression rewrite

* Clean up Concord exception utilities

* Avoid dependency on IL stream in EnC local slot mapping

* Fix lambda EnC

removed left out from deleted esent code.

Replace project reference with linked file

Switch to a direct walk up the tree.

this makes OOM to crash OOP process. this won't crash VS, instead it will show info bar and notify users to close VS and re-open.