Now the items are pasted to the parent of selected node. It is too
selected after the paste.

Reviewed-by: Kai Koehne

Associate the port with the device instead of passing it to open
for better handling.

includes workaround for breakage with old g++

This reverts commit a05ba6fd.

Fixed the actions but broke handling of Esc-key and navigating to line numbers in locator bar.

Only revert stuff that is linked to fast string concat.

Reviewed-by: kh1

This reverts commit e70530c5. It
did break builds on older gcc versions (gcc 4.1.2 64 bit Linux,
gcc 4.0.1 on Mac OS X):

parser/qmljsgrammar_p.h: In static member function ???static int
QmlJSGrammar::nt_action(int, int)???:
parser/qmljsgrammar_p.h:188: error: ???QmlJSGrammar::<anonymous enum>???
is/uses anonymous type
parser/qmljsgrammar_p.h:188: error:   trying to instantiate
???template<class T> struct QConcatenable???
...

Change it into a singleton that listens for device changes
and emits signals when devices are added or removed.

Merge-request: 1949
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

Reviewed-by: Oswald Buddenhagen