Changes to the Features Spec
Changes to the Features Spec

* Rename 'isComplete' to 'complete' attribute
* Remove support for shorthand way to specify bundles and artifacts
* Clarify use of reverse DNS naming on custom metadata

Fixes #206 and #266

Signed-off-by: David Bosschaert <b299ec9357646ec2b4cddc0888c86a0c494087ef@adobe.com>

osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi,osgi/osgi