Boykov-Kolmogorov max-flow updates and some small typo fixes

[SVN r63241]

libs/graph

@@ -1 +1 @@
-Subproject commit b474768cd054859330363afebdf23e1d1f10ae96
+Subproject commit 6e72c1f44547ffcbd223ef3f3ff7bba98741fcf0

status/explicit-failures-markup.xml

@@ -1864,7 +1864,7 @@
           <note author="Jeremiah Willcock" refid="2"/>
         </mark-expected-failures>
         <mark-expected-failures>
-          <test name="kolmogorov_max_flow_test"/>
+          <test name="boykov_kolmogorov_max_flow_test"/>
           <test name="max_flow_test"/>
           <toolset name="acc*"/>
           <note author="Markus Schoepflin" refid="45"/>