Normalize tokens only for rendering, store tokens as they are in the model; Restore html worker tests

better suggestion filtering

This is currently disabled until the repo is signed

Part of #229

[c#] Add support for new C# 6 keywords

[vb] Make NameOf a keyword for Visual Basic

[ruby] Update ruby grammar

instead of the global currentWord, use ISuggestion#overrwiteBefore or ISuggestionResult#currentWord to filter suggestions