v0.6.0

• PFS: Fix DB schema to not override channels (#693)
• PFS: Fix deletion of channels (#695)
• PFS: Add UDC info to /info endpoint (#689)
• PFS: Forbid concurrent database usage (#681)
• PFS: Provide specific error message for common errors (#674)
• PFS: Wait for first matrix sync before starting PFS API (#659)
• PFS: Rework path validity checking (#666)
• PFS: Improve handling of PFSFeeUpdate messages (#661)
• MS/PFS: Add profiling options to services (#653)
• MS/PFS: Don't replace gevent's error handler (#652)