Bump tokio-reactor from 0.1.10 to 0.1.11 (#266)
Bump tokio-reactor from 0.1.10 to 0.1.11 (#266)

Bumps [tokio-reactor](https://github.com/tokio-rs/tokio) from 0.1.10 to 0.1.11.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-reactor-0.1.10...tokio-reactor-0.1.11)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alex/ct-tools,alex/ct-tools