Make sure the text field is visible before focus so the browser
will not scroll without the NSScrollView knowing about it
Issue #1675 and maybe a little of issue #1301
This fix will not work without pull
request #1678 - Fixed scrollRectToVisible in CPView
Added scrollRectToVisible when CPTokenField becomeFirstResponder
Merge branch 'master' into scroll_before_focus_text_field

Conflicts:
	AppKit/CPTokenField.j
Merge pull request #1679 from mrcarlberg/scroll_before_focus_text_field

Make sure the text field is visible before focus