[Header Files] Changed header files to Qt5/KF5
All header files should refer only to qt5 or kf5; I used full path to have a better view of the package containing the single header; at compile time both include flags should be given. Marked as TODO all header files from KDE4LibsSupport, many of this classes have deprecated methods that should be changed with the new from Qt (KUrl -> Qurl and so on). For a better readability, I ordered header files in system, then qt, then kde.
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