[Review Queue] nrpe, amulet

[Adam Israel]

####trusty/nrpe - services framework rewrite

This charm had a few minor issues in the unit tests, which have now been
resolved, and the copyright info has been updated for non-Canonical
plugins. +1

https://code.launchpad.net/~gnuoy/charms/trusty/nrpe/services-rewrite/+merge/253799


#### amulet

Following up on a pull request I submitted last week, I discovered that
I'd missed the underlying bug. The fix has been refactored and the pull
request updated. This fix unblocks the ubuntu-repository-cache charm.

https://github.com/juju/amulet/pull/67