Exclude subprojects from docs

Author: MarcusTomlinson

docs/Doxyfile

@@ -719,7 +719,7 @@ EXCLUDE_SYMLINKS       = NO
 # against the file with absolute path, so to exclude all test directories 
 # for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       = 
+EXCLUDE_PATTERNS       =  subprojects, DSPatchVersion.h
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names 
 # (namespaces, classes, functions, etc.) that should be excluded from the