Updated changelog

Documentation/DeveloperHelpSources/changelog.docu

@@ -11,6 +11,8 @@
          - Removed WhatsThisGenerator include  from BaseInterface. You have to include it in the plugins now if you use it.
          - Removed the classical ObjectTypes CMake search. Please use the nex style ( Type-<Typename>/ObjectTypes/<Typename> + Type-<Typename>/Plugin-Type<TypeName> ) scheme
          - Removed GlutExaminer and GlutViewer from ACG library
+         - Removed glut from OpenFlipper
+         - Shipping with integrated glew to simplify build process 
      - <b>Core</b>
          - Introduced basic Python scripting support
          - Use QOpenGLDebuglogger