JSHint: Removed old ignore logic. #441
BrowserLink: Added null check. Fixed #444
JavaScript: Added comment completion. Fixed #445

When you type /* WE will now auto-complete by inserting */. When you
type ENTER, additional * are inserted. This is highly valuable when
writing JSDoc comments etc.
JsDoc: Added completion for keywords. Fixed #446
JsDoc: Fixed space char completion issue
JsDoc: Found a better completion item icon