unit: testing UnitStateGenerator
Merge pull request #801 from bcwaldon/testUnitStateGenerator

unit: testing UnitStateGenerator
log: new logging package
*: switch from glog to fleet's log pkg
godep: drop glog
Merge pull request #802 from bcwaldon/new-logging

Get rid of glog
registry: fix comment typos

Also rename TestRegistry to FakeRegistry to reference the actual struct.
Merge pull request #803 from davidreynolds/master

registry: fix comment typos
agent: add test coverage for AgentReconciler