Fix DEVELOPER_DIR in xctools examples
Don't delete DEVELOPER_DIR before sim_control examples
Fix DEVELOPER_DIR setting in instruments examples
Don't delete DEVELOPER_DIR before core_spec examples
Fix DEVELOPER_DIR for sim_control integration examples
Fix DEVELOPER_DIR in run_sim integration examples
Replace retries 2 with default retries (for travis ci)
Fix DEVELOPER_DIR for dylib integration tests

The dylib tests are disabled because they don't work on Xcode 6
Fix DEVELOPER_DIR for run_device integration examples
Fix DEVELOPER_DIR for instruments integration examples
Spec should require pry
Specs should respect DEBUG* env vars
Kill fake process before instruments specs
Merge pull request #86 from calabash/feature/rspecs-need-safer-DEVELOPER_DIR-hacking

Rspec tests should respect command line DEVELOPER_DIR settings