Merge pull request #5 from jgosmann/fixes/tcpServerReset

Reset controllers via TCP.
Merge pull request #3 from jgosmann/fixes/plume

Fix source concentration of reference samples.
Fix failing TCP server if much data is received

The Google protocol buffer documentation states that one has to reset
the size counter after each message in case multiple messages will be
read with one CodedInputStream.

cp. https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/CodedInputStream.html#setSizeLimit(int)
Merge branch 'fixes/tcpServerMsgSizeLimit'