Upgrade to nan@1.2.0
Upgrade UnsafePersistent implementation with new nan.
Fix building under node 0.11.13.
Prepare 1.4.0 release
Prepare 2.0.0 release
Upgrade to runas@1.0
Prepare 2.0.1 release
Fix building on Windows.
Prepare 2.0.2 release.
Merge branch 'master' into chrome35

Conflicts:
	package.json
2.0.3
Merge pull request #30 from atom/chrome35

Upgrade to nan@1.2.0