Add commit_queue.py tool to toggle the bit of the commit queue from command line

Add "git cl set_commit" command to set the flag more easily.
Add --commit to "git cl upload" to streamline workflow even more.
Continue conversion to Rietveld object.

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BUG=
TEST=

Review URL: http://codereview.chromium.org/7084037

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@87253 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed