Add proper command (as of Xcode 6) to list devices.
Un-hardcode Automation trace template path.
Teach UI Screen Shooter about iPhone 6 screen sizes.
Merge pull request #51 from ZevEisenberg/bugfix/zeveisenberg/proper-command-to-list-devices

Add proper command (as of Xcode 6) to list devices.
Merge pull request #52 from ZevEisenberg/feature/zeveisenberg/un-hardcode-template-path

Un-hardcode Automation trace template path.
Reindent with 2 spaces per tab.
Merge pull request #53 from ZevEisenberg/feature/zeveisenberg/iphone-6-screen-size-support

Teach UI Screen Shooter about iPhone 6 screen sizes.