supports updated vernier nar archives for the mac can be generated using the updated static and dynamic 3-way universal Mac 
Vernier GoIO libraries and some updated make tasks:
New make tasks (run in this order:
   make vernier_mac_jnilib
   make vernier_mac_lipo
   make vernier_mac_nar_archives
Should result in:
   [sensor-native (master)]$ ls -lh target/*nar.jar
   -rw-r--r--  1 stephen  staff    83K Sep 22 22:18 target/vernier-goio-macosx-i386-nar.jar
   -rw-r--r--  1 stephen  staff    91K Sep 22 22:18 target/vernier-goio-macosx-ppc-nar.jar
   -rw-r--r--  1 stephen  staff    93K Sep 22 22:18 target/vernier-goio-macosx-x86_64-nar.jar
New work here: http://github.com/concord-consortium/goio_sdk
Gets the libraries building properly as 3-way universal builds and updates the DeviceCheck project to enable using the xcode 
debugger when running DeviceCheck to debug the library.