Added notes about running the unit and smoke tests.

Updated dates for the v1.5.1 release.

Also fixed the WiX script to correctly perform an upgrade.

Fixed compilation under GCC 4.7.1.

Fixed-up code for recent framework changes to allow the standard out …

…& err streams to be mocked out for testing.

Added --help switch as an alternative to -?.
Initial version.

Added showManual() method to launch the HelpFile.