tests: rename some test to more expressive names * t/remake.sh: Rename ... * t/remake-subdir-grepping.sh: ... like this. * t/remake8a.sh: Rename ... * t/remake-makefile-intree.sh: ... like this, and adjust comments. * t/remake8b.sh: Rename ... * t/remake-makefile-vpath.sh: ... like this, and adjust comments. * t/remake9a.sh: Rename ... * t/remake-after-configure-ac.sh: ... like this, and adjust comments. * t/remake9b.sh: Rename ... * t/remake-after-makefile-am.sh: ... like this, and adjust comments. * t/remake9c.sh: Rename ... * t/remake-after-acinclude-m4.sh: ... like this, and adjust comments. * t/remake9d.sh: Rename ... * t/remake-after-aclocal-m4.sh: ... like this, and adjust comments. * t/remake10a.sh: Rename ... * t/remake-include-configure.sh: ... like this, and adjust comments. * t/remake10b.sh: Rename ... * t/remake-include-makefile.sh: ... like this, and adjust comments. * t/remake10c.sh: Rename ... * t/remake-include-aclocal.sh: ... like this, and adjust comments. * t/list-of-tests.mk: Adjust. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>