Merge branch 'maint' The following additional changes has been made: * m4/amversion.in: Bump serial number from `1' to `8', to avoid potential future conflicts with branch-1.11. * m4/amversion.m4: Likewise. * m4/gcj.m4: Likewise. * m4/python.m4: Likewise. * m4/install-sh.m4: Likewise.