add decorator to declare subcommand-specific command flags. add global "out" object for table aligned text output. split out general command utilities.
add decorator to declare subcommand-specific command flags.
add global "out" object for table aligned text output.
split out general command utilities.


git-svn-id: 1dc8261ca909f20fce6cfd8a2ef29e7db7f5be91@205 5914aa95-5b3a-0410-a3b5-7b719e7fe9b2

yuvadm/freebase-python,yuvadm/freebase-python