protz/GMail-Conversation-View — pull request #545 by shirosaki (2012-01-16 21:54:52+00:00)
Title: Performance fix of Enigmail and signed label features

I've modified #543 to use callback. I splited `toTmplData` for attachments since it changes `this._contacts` and makes `this._contacts` invalid data.
I also added a fix for attachment icon.
This seems to work fine so far.