warnings

[alastair]

../src/descriptortree.cpp:664:14: warning: ‘QDataStream& gaia2::operator<<(QDataStream&, const gaia2::DescriptorTree&)’ has not been declared within gaia2
 QDataStream& gaia2::operator<<(QDataStream& out, const DescriptorTree& tree) {
              ^~~~~
In file included from ../src/descriptortree.cpp:21:0:
../src/descriptortree.h:312:23: note: only here as a friend
   friend QDataStream& operator<<(QDataStream& out, const DescriptorTree& tree);
                       ^~~~~~~~
../src/descriptortree.cpp:673:14: warning: ‘QDataStream& gaia2::operator>>(QDataStream&, gaia2::DescriptorTree&)’ has not been declared within gaia2
 QDataStream& gaia2::operator>>(QDataStream& in, DescriptorTree& tree) {
              ^~~~~
In file included from ../src/descriptortree.cpp:21:0:
../src/descriptortree.h:313:23: note: only here as a friend
   friend QDataStream& operator>>(QDataStream& in, DescriptorTree& tree);

../src/dataset.cpp:956:14: warning: ‘QDataStream& gaia2::operator<<(QDataStream&, const gaia2::DataSet&)’ has not been declared within gaia2
 QDataStream& gaia2::operator<<(QDataStream& out, const DataSet& dataset) {
              ^~~~~
In file included from ../src/dataset.cpp:25:0:
../src/dataset.h:486:23: note: only here as a friend
   friend QDataStream& operator<<(QDataStream& out, const DataSet& dataset);
                       ^~~~~~~~
../src/dataset.cpp:983:14: warning: ‘QDataStream& gaia2::operator>>(QDataStream&, gaia2::DataSet&)’ has not been declared within gaia2
 QDataStream& gaia2::operator>>(QDataStream& in, DataSet& dataset) {
              ^~~~~
In file included from ../src/dataset.cpp:25:0:
../src/dataset.h:487:23: note: only here as a friend
   friend QDataStream& operator>>(QDataStream& in, DataSet& dataset);
                       ^~~~~~~~

../src/region.cpp:42:14: warning: ‘QDataStream& gaia2::operator<<(QDataStream&, const gaia2::Segment&)’ has not been declared within gaia2
 QDataStream& gaia2::operator<<(QDataStream& out, const Segment& segment) {
              ^~~~~
In file included from ../src/region.cpp:20:0:
../src/region.h:116:23: note: only here as a friend
   friend QDataStream& operator<<(QDataStream& out, const Segment& segment);
                       ^~~~~~~~
../src/region.cpp:49:14: warning: ‘QDataStream& gaia2::operator>>(QDataStream&, gaia2::Segment&)’ has not been declared within gaia2
 QDataStream& gaia2::operator>>(QDataStream& in, Segment& segment) {
              ^~~~~
In file included from ../src/region.cpp:20:0:
../src/region.h:117:23: note: only here as a friend
   friend QDataStream& operator>>(QDataStream& in, Segment& segment);
                       ^~~~~~~~

../src/point.cpp:30:14: warning: ‘QDataStream& gaia2::operator<<(QDataStream&, const gaia2::Scope&)’ has not been declared within gaia2
 QDataStream& gaia2::operator<<(QDataStream& out, const Scope& scope) {
              ^~~~~
In file included from ../src/point.cpp:25:0:
../src/point.h:68:23: note: only here as a friend
   friend QDataStream& operator<<(QDataStream& out, const Scope& scope);
                       ^~~~~~~~
../src/point.cpp:34:14: warning: ‘QDataStream& gaia2::operator>>(QDataStream&, gaia2::Scope&)’ has not been declared within gaia2
 QDataStream& gaia2::operator>>(QDataStream& in, Scope& scope) {
              ^~~~~
In file included from ../src/point.cpp:25:0:
../src/point.h:69:23: note: only here as a friend
   friend QDataStream& operator>>(QDataStream& in, Scope& scope);
                       ^~~~~~~~
../src/point.cpp:702:14: warning: ‘QDataStream& gaia2::operator<<(QDataStream&, const gaia2::Point&)’ has not been declared within gaia2
 QDataStream& gaia2::operator<<(QDataStream& out, const Point& point) {
              ^~~~~
In file included from ../src/point.cpp:25:0:
../src/point.h:308:23: note: only here as a friend
   friend QDataStream& operator<<(QDataStream& out, const Point& point);
                       ^~~~~~~~
../src/point.cpp:707:14: warning: ‘QDataStream& gaia2::operator>>(QDataStream&, gaia2::Point&)’ has not been declared within gaia2
 QDataStream& gaia2::operator>>(QDataStream& in, Point& point) {
              ^~~~~
In file included from ../src/point.cpp:25:0:
../src/point.h:309:23: note: only here as a friend
   friend QDataStream& operator>>(QDataStream& in, Point& point);
                       ^~~~~~~~

../src/pointlayout.cpp:533:14: warning: ‘QDataStream& gaia2::operator<<(QDataStream&, const gaia2::PointLayout&)’ has not been declared within gaia2
 QDataStream& gaia2::operator<<(QDataStream& out, const PointLayout& layout) {
              ^~~~~
In file included from ../src/pointlayout.cpp:21:0:
../src/pointlayout.h:303:23: note: only here as a friend
   friend QDataStream& operator<<(QDataStream& out, const PointLayout& layout);
                       ^~~~~~~~
../src/pointlayout.cpp:537:14: warning: ‘QDataStream& gaia2::operator>>(QDataStream&, gaia2::PointLayout&)’ has not been declared within gaia2
 QDataStream& gaia2::operator>>(QDataStream& in, PointLayout& layout) {
              ^~~~~
In file included from ../src/pointlayout.cpp:21:0:
../src/pointlayout.h:304:23: note: only here as a friend
   friend QDataStream& operator>>(QDataStream& in, PointLayout& layout);
                       ^~~~~~~~