workstate 2016-09-27

[jsaalfeld]

This PR Targets the issues:

• https://github.com/gdi-by/downloadclient-test/issues/63
• https://github.com/gdi-by/downloadclient-test/issues/54
• https://github.com/gdi-by/downloadclient-test/issues/36
• https://github.com/gdi-by/downloadclient-test/issues/19

[jsaalfeld]

Sidenote: merges the branch dlc-tf