XcodeTools can detect Xcode 6.1
Can find Xcode 6.1 tracetemplates
Core returns default template for Xcode 6.1
Merge pull request #47 from calabash/feature/xcode6.1-beta-automation-template

Feature/xcode6.1 beta automation template
Remove a 'puts' from core_spec.rb
Xcode 5 + iOS8 on-device testing is not supported

Cannot launch on iOS 8 devices with Xcode < 6.
Irb loads spec/resources.rb
Tests need a 'fake' instruments process
Makes spec/Resources class a proper singleton

Required for 'fake instruments' pid tracking. This class should
have been always been a singleton.
Resources can launch and kill 'fake' instruments
Rewrite + specs for terminating instruments
Merge pull request #48 from calabash/feature/more-instruments-killing-work

Rewrite of instruments termination code + tests
Bumping version to 1.0.8
Updating CHANGELOG.md for 1.0.8 release
Better spec docs for unsupported iOS/Xcode device combos
Merge branch 'release-1.0.8'