preparing 2.7.0 release remove some testing traces remove some warnings

* configure.in, doc/*: preparing 2.7.0 release
* tree.c: remove some testing traces
* parser.c xmlIO.c xmlschemas.c: remove some warnings
Daniel

svn path=/trunk/; revision=3788
diff --git a/xmlschemas.c b/xmlschemas.c
index 03c0b02..c90b171 100644
--- a/xmlschemas.c
+++ b/xmlschemas.c
@@ -13306,7 +13306,6 @@
 
     return (0);
 }
-#endif
 
 static xmlSchemaTypePtr
 xmlSchemaQueryBuiltInType(xmlSchemaTypePtr type)
@@ -13319,6 +13318,7 @@
 	return(type);
     return(xmlSchemaQueryBuiltInType(type->subtypes));
 }
+#endif
 
 /**
  * xmlSchemaGetPrimitiveType:
@@ -14594,6 +14594,7 @@
     }
 }
 
+#if 0
 /**
  * xmlSchemaGetParticleTotalRangeMax:
  * @particle: the particle
@@ -14653,6 +14654,7 @@
 	return (particle->maxOccurs * sum);
     }
 }
+#endif
 
 /**
  * xmlSchemaIsParticleEmptiable:
@@ -16948,6 +16950,7 @@
     return (0);
 }
 
+#if 0
 /**
  * xmlSchemaCheckRCaseNSRecurseCheckCardinality:
  * @ctxt:  the schema parser context
@@ -17000,6 +17003,7 @@
 	return (1);
     return (0);
 }
+#endif
 
 /**
  * xmlSchemaCheckRCaseRecurse: