0025418: Debug output to be limited to OCC development environment

Macros ending on "DEB" are replaced by OCCT_DEBUG across OCCT code; new macros described in documentation.
Macros starting with DEB are changed to start with "OCCT_DEBUG_".
Some code cleaned.

src/XmlMDataStd/XmlMDataStd_ByteArrayDriver.cxx

@@ -125,7 +125,7 @@ Standard_Boolean XmlMDataStd_ByteArrayDriver::Paste(const XmlObjMgt_Persistent&
     else
       aDelta = (Standard_Boolean)aDeltaValue;
   }
-#ifdef XMLMDATASTD_DEB
+#ifdef OCCT_DEBUG
   else if(XmlMDataStd::DocumentVersion() == -1)
     cout << "Current DocVersion field is not initialized. "  <<endl;
 #endif

src/XmlMDataStd/XmlMDataStd_ExtStringArrayDriver.cxx

@@ -123,7 +123,7 @@ Standard_Boolean XmlMDataStd_ExtStringArrayDriver::Paste
     else
       aDelta = (Standard_Boolean)aDeltaValue;
   }
-#ifdef XMLMDATASTD_DEB
+#ifdef OCCT_DEBUG
   else if(XmlMDataStd::DocumentVersion() == -1)
     cout << "Current DocVersion field is not initialized. "  <<endl;
 #endif

src/XmlMDataStd/XmlMDataStd_IntPackedMapDriver.cxx

@@ -116,7 +116,7 @@ Standard_Boolean XmlMDataStd_IntPackedMapDriver::Paste
 	else
 	  aDelta = (Standard_Boolean)aDeltaValue;
       }
-#ifdef XMLMDATASTD_DEB
+#ifdef OCCT_DEBUG
       else if(XmlMDataStd::DocumentVersion() == -1)
 	cout << "Current DocVersion field is not initialized. "  <<endl;
 #endif

src/XmlMDataStd/XmlMDataStd_IntegerArrayDriver.cxx

@@ -128,7 +128,7 @@ Standard_Boolean XmlMDataStd_IntegerArrayDriver::Paste
     else
       aDelta = (Standard_Boolean)aDeltaValue;
   }
-#ifdef XMLMDATASTD_DEB
+#ifdef OCCT_DEBUG
   else if(XmlMDataStd::DocumentVersion() == -1)
     cout << "Current DocVersion field is not initialized. "  <<endl;
 #endif

src/XmlMDataStd/XmlMDataStd_RealArrayDriver.cxx

@@ -134,7 +134,7 @@ Standard_Boolean XmlMDataStd_RealArrayDriver::Paste
     else
       aDelta = (Standard_Boolean)aDeltaValue;
   }
-#ifdef XMLMDATASTD_DEB
+#ifdef OCCT_DEBUG
   else if(XmlMDataStd::DocumentVersion() == -1)
     cout << "Current DocVersion field is not initialized. "  <<endl;
 #endif