Merge pull request google#1166 from vishh/release-0.22

Cherry pick google#1159 and google#1158

Merge pull request google#1153 from vishh/1152-cherrypick

PR google#1152 cherrypick

Merge pull request google#1129 from vishh/v0.22.0

Release v0.22.0

Merge pull request google#1098 from vishh/fs-paths

Cherrypick google#1097 into release-0.21 branch and bump tag to v0.21.1

Merge pull request google#1089 from vishh/docker-v1.10

Releasing v0.21.0 tag.

Merge pull request google#1089 from vishh/docker-v1.10

Releasing v0.21.0 tag.

Merge pull request google#1080 from jimmidyson/release-0.20.5

0.20.5 version bump

Tag v0.20.4

Signed-off-by: Vishnu kannan <[email protected]>

Merge pull request google#1072 from vishh/v0.20.4

Tag v0.20.4

Release v0.20.3

Signed-off-by: Vishnu kannan <[email protected]>