Introduced QML-based version of KMLDonkey for the N9

This commit introduces a bunch of changes done over the last months to make KMLDonkey proper compile, run and work on the Nokia N9 and gives us yet another KDE-application that got ported to MeeGo.

For that I had to;
* Introduce a QML-based version of KMLDonkey. That gave me a great opportunity to become more familar with QML and the MeeGo components framework.
* Ported libkmldonkey to be optionaly Qt-only what is needed since the QML-version uses Qt-only with qmake.
* Fixes tons of bugs I did run into while writing the new UI and refactoring the lib to be proper usable from the KDE destop-UI and the MeeGo-UI.
* Improved performanced in lot of areas that are bottlenecks if KMLDonkey doesn't run on the same device MLNet is running on. They became rather visible when you use KMLDonkey over a slower internet-connection so I had to fix them :)
* And lot of other things I forgot about already.

KMLDonkey should be available within next days at the MeeGo app-store.
p.s. Qt rocks :)

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