v2.2.28
add a couple placeholder files
initial empty test harness for python code
add public header interface for new oem system id function sysinfo_get_dell_oem_system_id().
Adding support to compile on solaris.
rework the system id functions to always return Dell system ID for sysinfo_get_dell_system_id(), and add a new api to get the OEM ID.
Fix output of translated unicode strings.
decorate string return functions to always strip trailing whitespace
implement back-compat for unit tests to run on rhel5
rename dellsysidplugin2 to the less-verbose dellsysid. Yum already prints that it's a plugin.