Device support: Introduce IDevice helper classes.

These are for configuration of process and ports gathering activities,
respectively.
This couples related functionality more tightly, while keeping
the number of IDevice methods at a reasonable level.
For ports gathering, the patch also adds the ability to configure
both the command and the parsing function; the latter used to be
hardcoded in the PortsGatherer class.

Change-Id: I1b8940397a51efa7ddc05dd15cf861777d118c1a
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qnx/qnxutils.cpp

@@ -75,11 +75,3 @@ QStringList QnxUtils::searchPaths(QnxAbstractQtVersion *qtVersion)
 
     return searchPaths;
 }
-
-QString QnxUtils::applicationKillCommand(const QString &applicationFilePath)
-{
-    return QString::fromLatin1("for PID in $(ps -f -o pid,comm | grep %1 | awk '/%1/ {print $1}'); "
-            "do "
-            "kill $PID; sleep 1; kill -9 $PID; "
-            "done").arg(applicationFilePath);
-}