parameter-framework: improvements and corrections

BZ: 6721

- Bug correction concerning selection criteria display (inclusive type)
- Adapted XML format to allow for only on parameter to be associated to
  a domain
- Removed unused files in parameter project

Change-Id: I9f42d08ff8cb60354714fe3d6b0f0b321ad0a7bf
Orig-Change-Id: I837e553070f5acf2d275082c986ba29433493e31
Signed-off-by: Patrick Benavoli <patrickx.benavoli@intel.com>
Reviewed-on: http://android.intel.com:8080/16878
Reviewed-by: Mahe, Erwan <erwan.mahe@intel.com>
Tested-by: Barthes, FabienX <fabienx.barthes@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
diff --git a/parameter/InstanceConfigurableElement.h b/parameter/InstanceConfigurableElement.h
index 517646c..4a032d4 100644
--- a/parameter/InstanceConfigurableElement.h
+++ b/parameter/InstanceConfigurableElement.h
@@ -54,7 +54,7 @@
     const CTypeElement* getTypeElement() const;
 
     // Mapping info
-    bool getMappingData(const string& strKey, string& strValue) const;
+    bool getMappingData(const string& strKey, const string*& pStrValue) const;
 
     // From CElement
     virtual string getKind() const;