change default rails from 3.2 to 4.1
change default rails from 3.2 to 4.1

dahal/two_factor_authentication,Houdini/two_factor_authentication,Houdini/two_factor_authentication,dahal/two_factor_authentication,benjaminwols/two_factor_authentication,alphagov/two_factor_authentication,alphagov/two_factor_authentication,monfresh/two_factor_authentication,monfresh/two_factor_authentication,benjaminwols/two_factor_authentication,Houdini/two_factor_authentication,fonji/two_factor_authentication_root,benjaminwols/two_factor_authentication,fonji/two_factor_authentication_root,fonji/two_factor_authentication_root,alphagov/two_factor_authentication,dahal/two_factor_authentication,monfresh/two_factor_authentication