Added retry for destroying actors when destroying application. Also added a lot of logs.
Added retry for destroying actors when destroying application. Also added a lot of logs.

KaptenJon/calvin-base,KaptenJon/calvin-base,EricssonResearch/calvin-base,EricssonResearch/calvin-base,KaptenJon/calvin-base,les69/calvin-base,EricssonResearch/calvin-base,les69/calvin-base,les69/calvin-base,EricssonResearch/calvin-base,les69/calvin-base