Merge pull request rust-lang#1845 from MrAwesome/patch-1 Bump version to 0.2.74

Merge pull request rust-lang#1825 from shepmaster/release Bump to 0.2.73

Merge pull request rust-lang#1807 from qwandor-google/master Bump version ready to import into Android tree.

Merge pull request rust-lang#1771 from jackpot51/patch-2 Bump version to 0.2.71

Merge pull request rust-lang#1758 from tblah/version-0.2.70 Bump version to 0.2.70

Merge pull request rust-lang#1732 from Minoru/feature/release-0.2.69 Bump version to 0.2.69

Merge pull request rust-lang#1691 from andrenth/bump Bump version to 0.2.68

Merge pull request rust-lang#1666 from 0xngold/bump_version Bump to 0.2.67.

Bump patch version to 0.2.66 

Bump patch version to 0.2.65