Issue 2919: Reorganize command line options.
Issue 2919: Reorganize command line options.

git-svn-id: 095a516e186c72f46b708383d0d3f28c2432e8a1@228 e30e9e8f-1b4c-0410-881d-6f13584adfe0

imirkin/rietveld,imirkin/rietveld,termie/rietveld-mirror,termie/rietveld-mirror