The objective is to make it more explicit that the 'service' project
is referring to the keystone service.
This changeset also updated the documentation to stay under the
limit of 80 per line.
Change-Id: I22430585e3e8999f27c2c2d48398a70298da9850
Following https://review.openstack.org/#/c/245903, this patchset
documents the implementation and integration of custom Strategies
with Watcher.
Change-Id: I573758695d67d523834f145824b6f6cfdd8997fe
