shim getSignatureAtPosition using the new signature help interfaces
remove empty lines
Switch signature help over to using display parts.  This allows for classified sig help on the editor side.
respond to code review comments
Merge branch 'master' into singatureInfo

Conflicts:
	src/services/services.ts
	src/services/shims.ts
set applicaple span correctelly
Update README.md
enusre that child items is always set
Merge pull request #745 from Microsoft/singatureInfo

Shim getSignatureAtPosition using the new signature help interfaces
Remove debugger statement.
Merge branch 'master' into classifiedSigHelp

Conflicts:
	src/services/services.ts
	src/services/signatureHelp.ts
Provide helpers for creating symbol display parts.
Merge pull request #746 from Microsoft/classifiedSigHelp

Switch signature help over to using display parts.
Escaping of '<' characters in Word to Markdown conversions
Prevent non-TypeScript (HTML/JSON/...) files from being added to test suite.
Merge pull request #757 from Microsoft/escapesInMarkdown

Escaping of '<' characters in Word to Markdown conversions
Merge pull request #758 from RReverser/master

Prevent non-TypeScript files from being added to tests.
Adjust sig help implementation to match the new simpler sig help API.
Merge pull request #760 from Microsoft/sigHelpRefactor

Adjust sig help implementation to match the new simpler sig help API.
Merge branch 'master' into specJakeTask