doc: separate inherited symbols

If symbols are simply inlined into every descendant, the cumulative
documentation quickly becomes unwieldy. Together with
1d9eed4e101d131b2822424e8f3cc99b4048bee6 this change provides a more
structured view into the frameworks class hierarchy.

doc/cgv.dox

@@ -165,7 +165,7 @@ ALWAYS_DETAILED_SEC    = NO
 # operators of the base classes will not be shown.
 # The default value is: NO.
 
-INLINE_INHERITED_MEMB  = YES
+INLINE_INHERITED_MEMB  = NO
 
 # If the FULL_PATH_NAMES tag is set to YES, doxygen will prepend the full path
 # before files name in the file list and in the header files. If set to NO the