Arc - support initializer injection on superclasses

[mkouba]

• incl. superclasses located in a different package
• resolves Arc - support initializer injection on superclasses #38

[mkouba]

The build fails with:

018-10-02T09:35:03.1235359Z Downloading: http://repo1.maven.org/maven2/org/jboss/resteasy/resteasy-json-p-provider/4.0.0.Beta5/resteasy-json-p-provider-4.0.0.Beta5.pom
2018-10-02T09:50:57.6576794Z Oct 02, 2018 9:50:57 AM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
2018-10-02T09:50:57.6578490Z INFO: I/O exception (java.net.SocketException) caught when processing request to {}->http://repo1.maven.org:80: Connection timed out (Read failed)
2018-10-02T09:50:57.6581217Z Oct 02, 2018 9:50:57 AM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
2018-10-02T09:50:57.6582036Z INFO: Retrying request to {}->http://repo1.maven.org:80
2018-10-02T09:58:23.2373569Z ##[error]The operation was canceled.