Added environment option to choose from either -target or -scheme
xcodebuild argument.
Passing BUILD_DIR environment variable from wox environment options to
xcodebuild command
Testlight publish task now compresses and uploads dSYM file
Merge pull request #7 from arielo/feature/target_or_scheme

Added environment option to choose from either -target or -scheme xcodebuild argument.
Merge pull request #8 from arielo/feature/upload_testflight_dsym

Testlight publish task compresses and uploads dSYM file