0.5.1

• Upgraded node-worker-pool to 3.0.0, use the native Promise implementation.
• testURL can be used to set the location of the jsdom environment.
• Updated all of jest's dependencies, now using jsdom 6.3.
• jest now uses the native Promise implementation.
• Fixed a bug when passed an empty testPathIgnorePatterns.
• Moved preprocessor cache into the haste cache directory.