Removed include/osg/Types header defining osg::ubyte, osg::ushort etc. Changed

any reference to these in the distribution across to using unsigned char,
unsigned short etc.  This has been done to keep the OSG code more opaque
to what types are.

include/osgText/Font

@@ -36,6 +36,7 @@
 #include <osg/State>
 
 #include <osgText/Export>
+#include <osgText/EncodedText>
 
 #include <string>
 
@@ -57,8 +58,6 @@ namespace osgText {
         virtual const char* libraryName() const { return #library; } \
         virtual const char* className() const { return #name; } \
 
-class EncodedText;
-
 class OSGTEXT_EXPORT Font : public osg::Object
 {
     public: