Bug 955595 - Backout most of d142f53ff7ab and mark SAFELIST as handled for ISUPPORT. r=aleth

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extra : amend_source : 668eee15d4472b81d9781a35be5eb55cbe2c9a6e
Bug 955678 - message.servername not set when hostname does not have . or : in it (e.g. localhost) [str is undefined in irc.js:839]. r=aleth
Bug 1081559 - Send raw msgs through the conversation service. r=florian

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extra : amend_source : 89b4519dbbde35aa2f7dd45694f593553da82d1e
Bug 1088772 - Prevent empty messages from falling back to the original. r=aleth

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extra : amend_source : 111bc3a4c87f58e41861823b7db417f8c6436d7a
Bug 1026784 - Changed popupset id=mainpopupset element to match overlays. r=florian a=clokep

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extra : amend_source : abdb663abc948f9c45106941804633ea9bcd40f3