Bump version to 2.56 for next release (#849)
Bump version to 2.56 for next release (#849)


testbhearsum/balrog,testbhearsum/balrog,testbhearsum/balrog,mozbhearsum/balrog,testbhearsum/balrog,mozbhearsum/balrog,mozbhearsum/balrog,mozbhearsum/balrog