We need a CIA replacement

We need a CIA replacement
https://bugs.webkit.org/show_bug.cgi?id=110008

Reviewed by Andreas Kling.

Added new-commit-bot.

* Scripts/webkitpy/tool/bot/queueengine.py:
(QueueEngine.__init__):
(QueueEngine): Made the sleep tiem configurable.
(QueueEngine._sleep_message):
(QueueEngine._sleep):
* Scripts/webkitpy/tool/bot/queueengine_unittest.py:
(QueueEngineTest.test_sleep_message):
* Scripts/webkitpy/tool/commands/__init__.py:
* Scripts/webkitpy/tool/commands/newcommitbot.py: Added.
(PingPong): Added. Implements the ping pong protocol.
(NewCommitBot):
(NewCommitBot.begin_work_queue):
(NewCommitBot.work_item_log_path):
(NewCommitBot.next_work_item): Update SVN revision and report any new commits made since
the last time we checked the head SVN revision.
(NewCommitBot.process_work_item):
(NewCommitBot._update_checkout): svn up.
(NewCommitBot._new_svn_revisions): Returns a range of new revisions.
(NewCommitBot._summarize_commit_log): Summarize a commit log to be posted on IRC.
(NewCommitBot.handle_unexpected_error):
(NewCommitBot.handle_script_error):
* Scripts/webkitpy/tool/commands/newcommitbot_unittest.py: Added.
(NewCommitBotTest.test_summarize_commit_log_basic): Tests for summarizing non-rollout commits.
(NewCommitBotTest.test_summarize_commit_log_rollout): Tests for summarizing rollouts.
* Scripts/webkitpy/tool/commands/queues.py:
(AbstractQueue.execute):
* Scripts/webkitpy/tool/commands/queuestest.py:
(MockQueueEngine.__init__):
* Scripts/webkitpy/tool/commands/sheriffbot_unittest.py:
(SheriffBotTest.test_command_aliases):
* Scripts/webkitpy/tool/main.py:
(WebKitPatch):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@143109 268f45cc-cd09-0410-ab3c-d52691b4dbfc