Update V2 Jamfile for Boost.

[SVN r16882]

Jamfile.v2

@@ -1,3 +1,13 @@
+#
+# This is Boost Jamfile for Boost.Build V2.
+# Currently, known to work on Linux with gcc
+# 
+# To build Boost with it, run
+#
+#    bjam --v2 link=static
+#
+# from the top-level directory
+
 
 project boost
     : requirements <include>.
@@ -8,6 +18,9 @@ build-project libs/date_time/build ;
 build-project libs/regex/build ;
 build-project libs/signals/build ;
 build-project libs/graph/build ;
+
+# Comment this out if you don't have Python2.2 installed
 build-project libs/python/build ;
 build-project libs/thread/build ;
+build-project libs/filesystem/build ;
 

libs/date_time

@@ -1 +1 @@
-Subproject commit 2b04555ffc531485af5e9f6f22888b0a9fdf10ac
+Subproject commit 45913a407f04c3011ec1b275162f7e4d58eca800

libs/filesystem

@@ -1 +1 @@
-Subproject commit 450ff4e30c9441f1f30c0849111d327547d10f5f
+Subproject commit d56d29514b473b9bc4c1e0cea075e425527f5034

libs/python

@@ -1 +1 @@
-Subproject commit e13a11eb7ff9da28e7fcd67949b7b20fa6c63bd9
+Subproject commit ba4906d05ca39a3130ef1a85d30ecde779128ce6

libs/regex

@@ -1 +1 @@
-Subproject commit 1eec12f17765c83eedac608a31f978034e042c41
+Subproject commit c84ebf1c5b177b4bc1cd1235ca4aef5a77adaed1

libs/thread

@@ -1 +1 @@
-Subproject commit 5d90820005b581d16518bab6f2148943002255ae
+Subproject commit 508b71a921e005fefac677d34ccdce4e6a7b7fc4