Merge pull request #311 from maksimov/develop

Added vm error state (used by OpenStack)
Merge pull request #312 from maksimov/develop

Removing AWS-only isDebug method
Update license info
Update version for release
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[maven-release-plugin] prepare release dasein-cloud-core-2014.11.1
[maven-release-plugin] prepare for next development iteration
Prepare for next version