v2.3.0

Deprecated:

• In a future release, /RPC2 will no longer be added to HTTP
  connections

Changed:

• Defer imports to improve loading times

  	mktor -h	lstor -h	rtcontrol -h	rtcontrol // -o ''
  Before	0.364s	0.377s	0.382s	0.469s
  After	0.112s	0.098s	0.141s	0.384s

• pyrotorque: Change max_downloading_traffic to
  downloading_traffic_max, in order to match other setting names.

Added:

• mktor: Add flags for controlling min/max piece size, as well
  as specifying it manually

Fixed

• Use all trackers when aggregating in example custom field code
  (credit goes to @kchiem: pyroscope/pyrocore#105)
• pyrotorque: Allow using startable instead of matcher for QueueManager
• pyrotorque: Resolve connection aliases in job definitions and CLI