Changes: Plain Qt documentation changes as suggested by Jakub.
Changes: Plain Qt documentation changes as suggested by Jakub.

RevBy: TrustMe
Details: 0. Drop all Maemo6 and Harmattan, lets go MeeGo
1. Discourage the use of Maemo5 specific Qt widgets, those will not exist for MeeGo with high probability
3. Drop the "How to compile Qt application" section, lets leave this to other docs, focus on UI style

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch