Fix fence post error in 516719a
Add a few flag tests to MythSystem.
Add MythSystem unit test for kMSAnonLog
Have make test in basedir rebuild test code if necessary.
Have make in basedir run unit tests on all target.

Note: An all_no_test target has been added to bypass unit tests when iterating on code.
Skip a currently malfunctioning mythsystem unit test.
Add more FIXME comments to mythsystem.h
Add unit test for kMSAbortOnJump flag
General improvements to mythsystem unit tests.
Add explicit GetStatus() test
Optionally run mythsystem tests that check logging output.
Initialize the last_seen field.  Coverity 700904.
Fix Coverity 1025910, 1025904, and 1025903.
Make sure m_fontSize is always initialized.  Coverity 700918.
Fix Coverity 1023886 (a true bug) and 1023883.
Fix Coverity 700588.
Fix Coverity 700410.
Fix Coverity 746871 (remove a no-longer-used field) and 746794.
Initialize oldrecstatus in ProgramInfo::clear().

Should fix Coverity 700802, 700803, 700804, and 700805.
Fix Coverity 1023878, 700230, and 700229.