Move extragear/plasma to a new main module.

[Ivan Čukić]

> ebn can go, not sure about lancelot, it crashes for me at
> start (sent the bt to Yvan) , I think it should be disabled for the beta 1
> build (kolour picker is disabled).
Disable it. I'm trying my best to reproduce the crash - I even did a clean 
build and still nothing... applet has a few bugs (size related) but can't get 
it to crash.

Cheerio

-- 
The bleeding hearts and artists,
Make their stand.
    -- Pink Floyd