Fix release script LTO.

Merge pull request rust-lang#1269 from ehuss/update-changelog

Update changelog.

Merge pull request rust-lang#1264 from ehuss/update-changelog

Update changelog.

Release 0.3.7

Bump quote and failure.

quote 1.0.2 was yanked, update failure to stay compatible.

Release 0.3.5.

Release 0.3.4.

Release 0.3.3.

Merge pull request rust-lang#1072 from ehuss/release-0.3.2

Release 0.3.2.

Merge pull request rust-lang#981 from ehuss/release-0.3.1

Release 0.3.1