0.9.9 (20-Nov-2014):
* remove GC stats reporting
* add opam file
* update to new Backtrace API

0.9.8 (8-Oct-2014)
* Don't install rrdd-libs, it's an internal library
* Create I/O metrics from /dev/shm and sysfs
* Add dependency on oclock

0.9.7 (6-Jun-2014)
* Installation fix

0.9.6 (1-Jun-2014)
* Runs even if xen isn't
* Update to stdext 0.11.0
* Use Oasis rather than obuild

0.9.3 (9-Jan-2014)
* Add experimental support for interdomain plugins

0.9.2 (24-Sep-2013)
* Fix the unit for the datasource memory_internal_free
* Block wr_reqs, wr_avg_usecs and wr_max_usecs were counting
  read requests rather than write requests, now fixed
* Update to use Syslog from xcp-idl

