Contributions from engageLively#1

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mroeder wants to merge 3 commits intomasterfrom

el-contribution

Commits on Nov 17, 2018

Add timestamps to auth server log (copied from main server)

Marko Röder
authored and
mroeder
committed
Store modified user in the database

Marko Roeder
authored and
mroeder
committed
Add possibility to clear server-side UserDB cache

Marko Röder
authored and
mroeder
committed