[3967] Added MySQL schema upgrade from 3.0 to 4.0 support

[3967] Added MySQL schema upgrade from 3.0 to 4.0 support

src/bin/admin/scripts/mysql/upgrade_3.0_to_4.0.sh.in
    New script file for upgrading from Schema 3.0 to 4.0

configure.ac
    Added an entry for new MySQL uppgrade script, upgrade_3.0_to_4.0.sh.in

src/bin/admin/scripts/mysql/Makefile.am
    Added entries for upgrade_3.0_to_4.0.sh.
    Reformatted list style to make adding entries a bit more convenient.

src/bin/admin/tests/mysql_tests.sh.in
    mysql_upgrade_test() - extended the test to verify the upgrade step
    from 3.0 to 4.0.