work around network dialog popping up under Maemo5 by assigning a dummy QNetworkAccessManager

When the legend widget became visible under Maemo5, a popup dialog appeared asking whether to go online if the device was offline.
Assigning a dummy QNetworkAccessManager prevents the annoying and unneeded popup.
bring back action to toggle kinetic scrolling
suppress text selection
fix .desktop file
show decoration widget
FindQtMobility with components
QSystemInfo
create lang folder
create translation files, if any