Regenerate gemspec for version 2.1.7
Regenerate gemspec for version 2.1.7

nulogy/authlogic,antonifs/authlogic,bioritmo/authlogic,tiegz/authlogic,boone/authlogic,theiren46/authlogic,sideci-sample/sideci-sample-authlogic,manvil/authlogic,binarylogic/authlogic,nebulab/authlogic,lukeasrodgers/authlogic,janusnic/authlogic,rchekaluk/authlogic,jaredbeck/authlogic,expertiza/authlogic,Photovisi/authlogic