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/xmlserializer/XmlElement.h b/xmlserializer/XmlElement.h
index 797179f..1028d60 100644
--- a/xmlserializer/XmlElement.h
+++ b/xmlserializer/XmlElement.h
@@ -64,6 +64,7 @@
     // Navigation
     bool getChildElement(const string& strType, CXmlElement& childElement) const;
     bool getChildElement(const string& strType, const string& strNameAttribute, CXmlElement& childElement) const;
+    uint32_t getNbChildElements() const;
     bool getParentElement(CXmlElement& parentElement) const;
 
     // Setters