* Ease cross device development by introducing 'targets' which
group build- and runsettings that are valid for this one target
Most of the kudos for the code review go to dt. Con, thorbjorn,
ckandler and others did also review parts of this patch.
Reviewed-by: dt
* Use id() for methods returning a string used to represent
some type of object.
* Use displayName() for strings that are meant to be user
visible.
* Quieten some warnings while touching the files anyway.
* Move Factories to their products in the plugins where that
was not done before.
Reviewed-by: dt
no longer uses LocalAppRunConfiguration. QmlInspector now uses
the qmlviewer started by QmlProjectManager instead of starting
its own, and clicking the Start Debug button within a QML
project will switch to QML Inspect mode and start the inspector.
