b8b2a22 update to latest HEAD

Authored and Committed by James Antill 12 years ago
    update to latest HEAD
    Fix syncing of yum DB data in history.
    Add upgrade_requirements_on_install config. option.
    Don't look for releasever if it's set directly (anaconda).
    Expose ip_resolve urlgrabber option.
    
        
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+2831 -176
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+15 -2