Added the usage report to the examples for when no arguments are passed

to the examples.

include/osg/ApplicationUsage

@@ -43,9 +43,9 @@ class SG_EXPORT ApplicationUsage
 
         enum Type
         {
-            COMMAND_LINE_OPTION,
-            ENVIRONMENTAL_VARIABLE,
-            KEYBOARD_MOUSE_BINDING
+            COMMAND_LINE_OPTION = 0x1,
+            ENVIRONMENTAL_VARIABLE = 0x2,
+            KEYBOARD_MOUSE_BINDING = 0x4
         };
         
         void addUsageExplanation(Type type,const std::string& option,const std::string& explanation);
@@ -74,7 +74,7 @@ class SG_EXPORT ApplicationUsage
 
         void write(std::ostream& output,const UsageMap& um,unsigned int widthOfOutput=80);
         
-        void write(std::ostream& output,unsigned int widthOfOutput=80);
+        void write(std::ostream& output,unsigned int type=COMMAND_LINE_OPTION|ENVIRONMENTAL_VARIABLE|KEYBOARD_MOUSE_BINDING, unsigned int widthOfOutput=80);
 
     protected:
     

include/osg/ArgumentParser

@@ -46,8 +46,8 @@ class SG_EXPORT ArgumentParser
         /** return const char* argument at specificed position.*/
         const char* operator [] (int pos) const { return _argv[pos]; }
 
-        /** return the program name, as specified by argv[0] */
-        std::string getProgramName() const;
+        /** return the application name, as specified by argv[0] */
+        std::string getApplicationName() const;
 
         /** return the position of an occurance of a string in the argument list.
           * return -1 when no string is found.*/