Merge latest changes from master branch#112

Merged

mangchiandjjoe merged 6 commits intorate_limitingfrom

Feb 22, 2017

Commits on Feb 14, 2017

Get attributes from envoy config. (#87)
chowchow316
authored
updated SHA to point to newer envoy with RDS API feature (#94)

GregHanson
authored and
kyessenov
committed

Commits on Feb 15, 2017

Commits on Feb 16, 2017

Copies the binary instead of linking for release (#102)
sebastienvas
authored

Commits on Feb 21, 2017

Not to use api_key if its service is not actived. (#109)
qiwzhang
authored