remove duplicate files
default iossdk: iphoneos7.1
Fix for missing directory build error

Ensure 'bin/default' exists in the :default_swc task.
A clean checkout of the project won't include this (gitignored)
directory, causing the build to fail
TestFlight SDK 3.0.2
Merge pull request #12 from tconkling/master

Latest TestFlight SDK & buildscript fix