1.30.0 prep

[SVN r16693]

Jamrules

@@ -11,4 +11,4 @@
 path-global BOOST_ROOT : $($(gTOP)) ;
 
 # The current version of Boost.
-BOOST_VERSION ?= 1.29.0 ;
+BOOST_VERSION ?= 1.30.0 ;

libs/config

@@ -1 +1 @@
-Subproject commit 6fc288a2cdf43d130c3bb9bc36ba318815e08595
+Subproject commit bd3900cb28e2733e3d2b4ad319cee05926a00e68