Update to TypeScript 1.3
Do not show <global> module in navigation bar.

This prevents folds shown for the entire file when there are global
variables.
Fix code completion tooltip text.

Show the same description in the code completion tooltip as Visual
Studio does.
Fix semantic errors not showing error message.
Fix code completion intermittently not working.
Merge branch 'master' into v8-dotnet

Conflicts:
	src/TypeScriptBinding/Hosting/TypeScriptCompiler.cs