Updating from upstream#1

Merged

erick-sapp merged 12 commits intoerick-sapp:devfrom

softlayer:master

Feb 5, 2019

Commits on Jan 18, 2019

Commits on Jan 21, 2019

#1069 unit tests for the placement manageR
allmightyspiff
committed

Commits on Jan 22, 2019

Commits on Jan 29, 2019

#1069 documentation for placement groups
allmightyspiff
committed

Commits on Jan 30, 2019

added a few resolvers for backendrouters, rules, and placementgroups. updated some docs
allmightyspiff
committed

Commits on Jan 31, 2019

unit tests and style fixes
allmightyspiff
committed

Commits on Feb 4, 2019

Commits on Feb 5, 2019