Doxygenize the documentation comments

Doxyfile

 # Doxyfile 1.8.6
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project.
 #
 # All text after a double hash (##) is considered a comment and is placed in
 # front of the TAG it is preceding.
 #
 # All text after a single hash (#) is considered a comment and will be ignored.
 # The format is:
@@ skipping 681 matching lines @@
 # Tip: Turn warnings on while writing the documentation.
 # The default value is: YES.
 
 WARNINGS               = YES
 
 # If the WARN_IF_UNDOCUMENTED tag is set to YES, then doxygen will generate
 # warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
 # will automatically be disabled.
 # The default value is: YES.
 
-WARN_IF_UNDOCUMENTED   = YES
+WARN_IF_UNDOCUMENTED   = NO
 
 # If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
 # potential errors in the documentation, such as not documenting some parameters
 # in a documented function, or documenting parameters that don't exist or using
 # markup commands wrongly.
 # The default value is: YES.
 
 WARN_IF_DOC_ERROR      = YES
 
 # This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
@@ skipping 1581 matching lines @@
 # This tag requires that the tag HAVE_DOT is set to YES.
 
 GENERATE_LEGEND        = YES
 
 # If the DOT_CLEANUP tag is set to YES doxygen will remove the intermediate dot
 # files that are used to generate the various graphs.
 # The default value is: YES.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
 DOT_CLEANUP            = YES