Merge release-1.1 into master. (Final batch)#774

Merged

hklai merged 4 commits intoistio:masterfrom

hklai:1.1-master

Jan 27, 2019

Commits on Jan 22, 2019

add response headers (#769)

kyessenov
authored and
istio-testing
committed

Commits on Jan 24, 2019

Add sds_name into gateway config. (#772)

JimmyCYJ
authored and
wenchenglu
committed

Commits on Jan 25, 2019

Fix some typos in comment (#763)

JoeWrightss
authored and
wenchenglu
committed

Commits on Jan 27, 2019

Merge remote-tracking branch 'upstream/release-1.1' into 1.1-master
hklai
committed