[BUGFIX] Use extension key for emconf detection
Merge pull request #147 from hmspl/extension_key

[BUGFIX] Use extension key for emconf detection
[TASK] Set state and version

Sets the state to "beta" on the development branch and changes the version number to the expected release version number in order to once again allow EM to properly install.

Also changed: author
[TASK] Set version in composer.json