Split apart debugger options pages, allow specifying a path to CDB.

Modify engine creation funcs to populate a list of option pages
to be able to handle engine enabling independently of the
actual engine creation.

src/plugins/debugger/debuggerconstants.h

@@ -30,6 +30,8 @@
 #ifndef DEBUGGERCONSTANTS_H
 #define DEBUGGERCONSTANTS_H
 
+#include <QtCore/QtGlobal>
+
 namespace Debugger {
 namespace Constants {
 
@@ -51,6 +53,8 @@ const char * const M_DEBUG_VIEWS        = "Debugger.Menu.View.Debug";
 const char * const C_GDBDEBUGGER        = "Gdb Debugger";
 const char * const GDBRUNNING           = "Gdb.Running";
 
+const char * const DEBUGGER_SETTINGS_CATEGORY = QT_TRANSLATE_NOOP("Debugger", "Debugger");
+
 namespace Internal {
     enum { debug = 0 };
 }