add DraftToken that carrying SymbolKind information
fixed: Rename refactoring cannot deal with generic type parameters and statically resolved type parameters

improve Rename refactoring dialog's new name validation
improve LanguageService.GetSymbol tests
Merge pull request #101 from vasily-kirichenko/fix-generic-parameters-renaming

Fix generic parameters renaming
Move to one-based-line-counting in FCS 0.0.27

See https://github.com/fsharp/FSharp.Compiler.Service/issues/64 for
details.
Merge pull request #105 from dungpa/one-based-line-counting

Move to one-based-line-counting in FCS 0.0.27