Bump omniauth from 1.6.1 to 1.7.1
Bump omniauth from 1.6.1 to 1.7.1

Bumps [omniauth](https://github.com/omniauth/omniauth) from 1.6.1 to 1.7.1.
- [Release notes](https://github.com/omniauth/omniauth/releases)
- [Commits](https://github.com/omniauth/omniauth/compare/v1.6.1...v1.7.1)
coreyja/glassy-collections,coreyja/glassy-collections,coreyja/glassy-collections