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.cpp b/xmlserializer/XmlElement.cpp
index cea7a1d..11b9a94 100644
--- a/xmlserializer/XmlElement.cpp
+++ b/xmlserializer/XmlElement.cpp
@@ -166,6 +166,20 @@
     return false;
 }
 
+uint32_t CXmlElement::getNbChildElements() const
+{
+    CXmlElement childElement;
+    uint32_t uiNbChildren = 0;
+
+    CChildIterator childIterator(*this);
+
+    while (childIterator.next(childElement)) {
+
+        uiNbChildren++;
+    }
+    return uiNbChildren;
+}
+
 bool CXmlElement::getParentElement(CXmlElement& parentElement) const
 {
     _xmlNode* pXmlNode = _pXmlElement->parent;