Reviewed-by: hjk

Recursively removing a directory was implmented twice.

Don't trigger again the completion when completing identifiers.

Don't hardcode PNG format.

Don't waste time going through the Qt4ProFileNodes.

Index types are arrays, matrices, and vectors, which can
all be "indexed" by operator[].

DeclarationStatement wraps a single declaration, not a list.

Reviewed-by: kh1

Conflicts:
	src/plugins/qt4projectmanager/qt-s60/s60devicerunconfiguration.cpp

Local executable is put into a different folder
(always 'armv5' despite it being a 'gcce' build, changed in qmake),
and the symbol file is named 'foo.exe.sym' instead of 'foo.sym'.

Done-by: Friedemann Kleint
Reviewed-by: Pawel Polanski

Conflicts:
	src/plugins/debugger/qml/qmlengine.cpp

Reviewed-by: Kai Koehne

Task-number: QTCREATORBUG-3073