Merge Boost.Build from the trunk.

[SVN r84398]

Jamroot

@@ -9,7 +9,7 @@
 
 # Usage:
 #
-#   bjam [options] [properties] [install|stage]
+#   b2 [options] [properties] [install|stage]
 #
 #   Builds and installs Boost.
 #

status/explicit-failures-markup.xml

@@ -468,16 +468,14 @@
 
     <!-- build -->
     <library name="build">
-        <test name="timedata">
-            <mark-failure>
-                <toolset name="msvc-7.1"/>
-                <toolset name="msvc-8.0"/>
-                <toolset name="msvc-9.0"/>
-                <note author="Vladimir Prus">
-                  See https://zigzag.lvk.cs.msu.su:7813/boost.build/ticket/218
-                </note>
-            </mark-failure>
-        </test>
+        <mark-expected-failures>
+            <test name="collect_debug_info"/>
+            <toolset name="*"/>
+            <note author="Jurko Gospodnetić">
+                Temporarily enabled and always failing test used for collecting
+                additional feedback from the testing site.
+            </note>
+        </mark-expected-failures>
     </library>
 
     <!-- chrono -->

tools/build

@@ -1 +1 @@
-Subproject commit 378009d006707a46be60248cd7865eb7018cb4b9
+Subproject commit 87c62c82d1e5255d2a79d142921318713f2ed238