Allow arbitrary order of XML progress reports from modules.

Libs/CommandLineModules/Backend/LocalProcess/Resources/ctkCmdLineModuleProcess.xsd

@@ -27,21 +27,27 @@
       <xsd:documentation>The root element. This is added automatically and must not be printed out by the module.</xsd:documentation>
     </xsd:annotation>
     
-    <xsd:sequence>     
+    <xsd:sequence>
       <xsd:group maxOccurs="unbounded" minOccurs="0" ref="FilterGroup"/>   
     </xsd:sequence>
   </xsd:complexType>
   
   <xsd:group name="FilterGroup">
-    <xsd:sequence>        
+    <xsd:sequence>
       <xsd:element maxOccurs="1" minOccurs="1" name="filter-start" type="FilterStartType"/>
-      <xsd:element maxOccurs="unbounded" minOccurs="0" name="filter-progress" type="FilterProgressType"/>
-      <xsd:element maxOccurs="unbounded" minOccurs="0" name="filter-progress-text" type="FilterProgressTextType"/>
-      <xsd:element maxOccurs="unbounded" minOccurs="0" name="filter-result" type="FilterResultType"/>
+      <xsd:group maxOccurs="unbounded" minOccurs="0" ref="ProgressGroup"/>
       <xsd:element maxOccurs="1" minOccurs="1" name="filter-end" type="FilterEndType"/>
     </xsd:sequence>
   </xsd:group>
   
+  <xsd:group name="ProgressGroup">
+    <xsd:choice>
+      <xsd:element name="filter-progress" type="FilterProgressType"/>
+      <xsd:element name="filter-progress-text" type="FilterProgressTextType"/>
+      <xsd:element minOccurs="0" name="filter-result" type="FilterResultType"/>
+    </xsd:choice>
+  </xsd:group>
+  
   <!--
   ===================================================================
     FILTER-START

Libs/CommandLineModules/Core/ctkCmdLineModuleXmlProgressWatcher.cpp

@@ -185,8 +185,7 @@ public:
           }
           else if (name.compare(FILTER_PROGRESS, Qt::CaseInsensitive) == 0)
           {
-            emit q->filterProgress(currentProgress, currentComment);
-            currentComment = QString();
+            emit q->filterProgress(currentProgress, QString());
           }
           else if (name.compare(FILTER_PROGRESS_TEXT, Qt::CaseInsensitive) == 0)
           {