Debugger: Make language to debug (QML/CPP) explicit

Make the choice of language part of the DebuggerStartParameters,
instead of deriving it indirectly from the current project. This
prevents e.g. the QmlCppEngine to be used when loading core files.

Change-Id: I9d1c9ab318ba789abe3a6ea0478ebda71857e793
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/debuggerstartparameters.h

@@ -61,6 +61,7 @@ public:
         attachPID(-1),
         useTerminal(false),
         breakOnMain(false),
+        languages(AnyLanguage),
         qmlServerAddress(QLatin1String("127.0.0.1")),
         qmlServerPort(ProjectExplorer::Constants::QML_DEFAULT_DEBUG_SERVER_PORT),
         useServerStartScript(false),
@@ -87,6 +88,7 @@ public:
     qint64 attachPID;
     bool useTerminal;
     bool breakOnMain;
+    DebuggerLanguages languages;
 
     // Used by AttachCrashedExternal.
     QString crashParameter;
@@ -98,6 +100,7 @@ public:
     QString projectBuildDirectory;
     QStringList projectSourceFiles;
 
+
     QString qtInstallPath;
     // Used by remote debugging.
     QString remoteChannel;