Fixed SA1000 is reported for constructor constraints

Fixes #340
This entire case statement case be removed by adding `case SyntaxKind.NewKeyword:` after one of the following (and removing the contents of this case), depending on the desired behavior. See the comment on the pull request for more information.

* After `case SyntaxKind.LockKeyword:`, if the desired spacing is `new ()`
* After `case SyntaxKind.DefaultKeyword:` if the desired spacing is `new()`