upgrade sprockets
upgrade sprockets

HaraShun/Hours,suyesh/Hours,DefactoSoftware/Hours,ivanbenko/Hours,HaraShun/Hours,leffen/Hours,DefactoSoftware/Hours,tiy-tpa-ruby-q3-2015/Hours,DefactoSoftware/Hours,xuewenfei/Hours,compwron/Hours,mojacc/Hours,xuewenfei/Hours,rmangino/Hours,xuewenfei/Hours,suyesh/Hours,rmangino/Hours,HaraShun/Hours,compwron/Hours,ipmobiletech/Hours,tiy-tpa-ruby-q3-2015/Hours,ivanbenko/Hours,mojacc/Hours,tiy-tpa-ruby-q3-2015/Hours,leffen/Hours,jnillo/Hours,mojacc/Hours,xuewenfei/Hours,HaraShun/Hours,michalsz/Hours,jnillo/Hours,compwron/Hours,leffen/Hours,suyesh/Hours,michalsz/Hours,tiy-tpa-ruby-q3-2015/Hours,jnillo/Hours,ipmobiletech/Hours,ipmobiletech/Hours,jnillo/Hours,ivanbenko/Hours,leffen/Hours,michalsz/Hours,ivanbenko/Hours,rmangino/Hours,compwron/Hours,michalsz/Hours,mojacc/Hours,rmangino/Hours,DefactoSoftware/Hours,suyesh/Hours,ipmobiletech/Hours