Fix contrib/mkimage-debian.sh apt caching prevention
Use correct auth config when logging in.
Update AUTHORS
Small fixes to parameter names in docs for ADD command.
Record termination time in state.

Supercedes pull #1946
Clarify LGTM process to contributors.
Merge pull request #2165 from jrydberg/master

- Registry: Use correct auth config when logging in.
Merge pull request #2164 from pnasrat/add-finished-time

* Runtime: Record termination time in state.
Merge pull request #2128 from titanous/update-authors

Update AUTHORS
Merge pull request #2159 from nathankleyn/fix-references-to-param-names

Small fixes to parameter names in docs for ADD command.
Merge pull request #2166 from pnasrat/document-approval

Clarify LGTM process to contributors.
Merge pull request #2038 from tianon/mkimage-debian-fixes

Fix contrib/mkimage-debian.sh apt caching prevention