Added special case for the "HD" search term.  It searches channels that are flagged HD.
Added special case for the "HD" search term.  It searches channels that are
flagged HD.



git-svn-id: 98eea730e22c7fb5f8b38c49248ce5c7e9bb5936@577 be7adf91-e322-0410-8f47-e6edb61c52aa

kmshi/miroguide,kmshi/miroguide,kmshi/miroguide