Bump version to 1.2.0
Bump version to 1.2.0

intridea/omniauth,sideci-sample/sideci-sample-omniauth,thomasmillergb/Year2-ruby-software-hut,thomasmillergb/Year2-ruby-software-hut,omniauth/omniauth,twalpole/omniauth,nbrustein/omniauth,ayunav/omniauth,poznyakandrey/omniauth,yui-knk/omniauth,ngpestelos/omniauth