Integrate program_options into main Boost.Book docs.

[SVN r22850]

doc/Jamfile.v2

@@ -1,4 +1,9 @@
 project boost/doc ;
 import boostbook : boostbook ;
 
-boostbook doc : src/boost.xml ;
+# The <dependency> below allows Boost.Build to see Doxygen
+# main target, which is necessary to correctly build
+# documentation
+boostbook doc : src/boost.xml 
+    : <dependency>../libs/program_options/doc//autodoc.xml 
+    ;

doc/src/boost.xml

@@ -779,6 +779,7 @@
     </libraryinfo>
   </library>
 
+  <xi:include href="../../libs/program_options/doc/program_options.xml"/>
   <xi:include href="../../libs/variant/doc/variant.xml"/>
   <xi:include href="../../tools/boostbook/doc/boostbook.xml"/>
   <xi:include href="../../libs/concept_check/doc/reference/concepts.xml"/>

libs/program_options

@@ -1 +1 @@
-Subproject commit 751e70032a5d05e33b0e7bef921e82c95ea30496
+Subproject commit 95927c2a014b09b2c66c5dd2171ce1ece7efe4d7