Updated doc

doc/doxyfile

@@ -865,7 +865,7 @@ DOCSET_BUNDLE_ID       = org.doxygen.Project
 # Microsoft HTML help workshop to generate a compiled HTML help file (.chm) 
 # of the generated HTML documentation.
 
-GENERATE_HTMLHELP      = YES
+GENERATE_HTMLHELP      = NO
 
 # If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can 
 # be used to specify the file name of the resulting .chm file. You 
@@ -1386,7 +1386,7 @@ PERL_PATH              = /usr/bin/perl
 # fallback. It is recommended to install and use dot, since it yields more 
 # powerful graphs.
 
-CLASS_DIAGRAMS         = NO
+CLASS_DIAGRAMS         = YES
 
 # You can define message sequence charts within doxygen comments using the \msc 
 # command. Doxygen will then run the mscgen tool (see 
@@ -1408,7 +1408,7 @@ HIDE_UNDOC_RELATIONS   = YES
 # toolkit from AT&T and Lucent Bell Labs. The other options in this section 
 # have no effect if this option is set to NO (the default)
 
-HAVE_DOT               = YES
+HAVE_DOT               = NO
 
 # By default doxygen will write a font called FreeSans.ttf to the output 
 # directory and reference it in all dot files that doxygen generates. This