Added some toolsets as unusable for Boost.Graph

[SVN r50703]

status/explicit-failures-markup.xml

@@ -1786,8 +1786,8 @@
     <!-- graph -->
     <library name="graph">
         <mark-unusable>
-            <toolset name="borland-5.6*"/>
-            <toolset name="borland-5.8*"/>
+            <toolset name="borland-5.*"/>
+            <toolset name="borland-6.*"/>
             <toolset name="msvc-6.5*"/>
             <toolset name="sunpro-5_3-sunos"/>
         </mark-unusable>
@@ -1862,6 +1862,7 @@
             <toolset name="msvc-8.0_64"/>
             <toolset name="msvc-8.0_x86_64"/>
             <toolset name="msvc-9.0"/>
+            <toolset name="msvc-10.0"/>
             <note author="Doug Gregor">
               This failure is due to a problem with partial ordering
               of class template partial specializations.