Merge pull request kubernetes-retired#969 from piosz/gcm-timeout

Increased timeout while waiting for GCE token

Merge pull request kubernetes-retired#957 from mwielgus/alpha5

v0.20.0-alpha5

Merge pull request kubernetes-retired#920 from piosz/rel

Release v0.20.0-alpha3

Merge pull request kubernetes-retired#914 from piosz/rel-alpha2

Release v0.20.0-alpha2

Merge pull request kubernetes-retired#904 from piosz/rel-0.20.0-alpha1

Release v0.20.0-alpha1

Merge pull request kubernetes-retired#901 from piosz/rel-0.18.5

Release v0.18.5

Merge pull request kubernetes-retired#883 from piosz/making-release-0…

….18.4

Release v0.18.4

Merge pull request kubernetes-retired#795 from mwielgus/release_0.19.1

Release 0.19.1

Merge pull request kubernetes-retired#774 from mwielgus/bump-version

0.19.0 release

Merge pull request kubernetes-retired#628 from vishh/release-0.18.0

Release heapster v0.18.2.