Turned on the EXTRACT_STATIC flag and added BUILD_DATE to

the PREDEFINED variables.  The generated docs will now show
documented static functions, and show the variables in buildinfo.c

doc/Doxyfile

@@ -57,7 +57,7 @@ EXTRACT_PRIVATE        = NO
 # If the EXTRACT_STATIC tag is set to YES all static members of a file 
 # will be included in the documentation.
 
-EXTRACT_STATIC         = NO
+EXTRACT_STATIC         = YES
 
 # If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) 
 # defined locally in source files will be included in the documentation. 
@@ -744,7 +744,7 @@ INCLUDE_FILE_PATTERNS  =
 # or name=definition (no spaces). If the definition and the = are 
 # omitted =1 is assumed.
 
-PREDEFINED             = 
+PREDEFINED             = BUILD_DATE
 
 # If the MACRO_EXPANSION and EXPAND_PREDEF_ONLY tags are set to YES then 
 # this tag can be used to specify a list of macro names that should be expanded.