Document the origin of the m2ee name

[knorrie]

...since it's an interesting story, and I suspect some users sometimes wonder what this weird name means.

[hevisko]

YEs, we'd like to know :)

[MarkvanMents]

Perhaps we can have it as a blog post - I'll link to it from my documentation.

[hevisko]

yeah, it seems to be a very interesting story that we are kept in the dark for :(=)