f790cb1 Minor fixes to doc build

Authored and Committed by cqi 5 years ago
    Minor fixes to doc build
    
    * Removing nonexisting cli.rst in a fresh clone does not break.
    * Fix undefined variable name and shadow names in generator script.
    
    Signed-off-by: Chenxiong Qi <cqi@redhat.com>
    
        
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