webkitbot should provide full name, email address, and IRC nicknames on whois
https://bugs.webkit.org/show_bug.cgi?id=114494

Reviewed by Benjamin Poulain.

A response like the one below is useless. Improve it:
webkitbot: rniwa: zdobersek is zdobersek (zandobersek@gmail.com). Why do you ask?

We now report full name, email address, committer/reviewer status, and IRC nickname.

Also teach webkitbot how to respond to ping.

* Scripts/webkitpy/tool/bot/irc_command.py:
(PingPong): Moved 
(PingPong.execute):
(Whois._full_record_and_nick): Renamed and rewritten.
(Whois.execute):

* Scripts/webkitpy/tool/bot/irc_command_unittest.py:
(IRCCommandTest.test_whois): Updated test cases as needed.

* Scripts/webkitpy/tool/bot/ircbot_unittest.py:
(IRCBotTest.test_help): Added ping.

* Scripts/webkitpy/tool/commands/newcommitbot.py:
(NewCommitBot): Teached WKR how to respond to hi.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148372 268f45cc-cd09-0410-ab3c-d52691b4dbfc