Bump the deployment targets for the GTMOAuth2 podspec. The dependency on GTMSessionFetcher prevents this from being used on iOS 6 and OSX 10.8.
Bump the deployment targets for the GTMOAuth2 podspec. The dependency on GTMSessionFetcher prevents this from being used on iOS 6 and OSX 10.8.

google/gtm-oauth2,thomasvl/gtm-oauth2,perotinus/gtm-oauth2,thomasvl/gtm-oauth2