Pass authtoken in from user, and add a wrapper for web UI on Mac.

ext/mac-ui-macgap1-wrapper/MacGap/en.lproj/Credits.rtf

@@ -0,0 +1,13 @@
+{\rtf1\ansi\ansicpg1252\cocoartf1347\cocoasubrtf570
+{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\vieww9600\viewh8400\viewkind0
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720
+
+\f0\b\fs24 \cf0 (c)2011-2015 ZeroTier, Inc.\
+Licensed under the GNU GPLv3\
+\
+UI Wrapper MacGap (c) Twitter, Inc.\
+Licensed under the MIT License\
+http://macgap.com/\
+}