Install BipartiteMatchings headers for SuperLU_DIST.

--- a/BipartiteMatchings/ApproxWeightPerfectMatching.h
+++ b/BipartiteMatchings/ApproxWeightPerfectMatching.h
@@ -9,7 +9,7 @@
 #ifndef ApproxWeightPerfectMatching_h
 #define ApproxWeightPerfectMatching_h
 
-#include "../CombBLAS.h"
+#include "CombBLAS.h"
 #include "BPMaximalMatching.h"
 #include "BPMaximumMatching.h"
 #include <parallel/algorithm>
--- a/BipartiteMatchings/BPMaximalMatching.h
+++ b/BipartiteMatchings/BPMaximalMatching.h
@@ -1,7 +1,7 @@
 #ifndef BP_MAXIMAL_MATCHING_H
 #define BP_MAXIMAL_MATCHING_H
 
-#include "../CombBLAS.h"
+#include "CombBLAS.h"
 #include <iostream>
 #include <functional>
 #include <algorithm>
--- a/BipartiteMatchings/BPMaximumMatching.h
+++ b/BipartiteMatchings/BPMaximumMatching.h
@@ -1,7 +1,7 @@
 #ifndef BP_MAXIMUM_MATCHING_H
 #define BP_MAXIMUM_MATCHING_H
 
-#include "../CombBLAS.h"
+#include "CombBLAS.h"
 #include <mpi.h>
 #include <sys/time.h>
 #include <iostream>
--- a/BipartiteMatchings/MatchingDefs.h
+++ b/BipartiteMatchings/MatchingDefs.h
@@ -9,7 +9,7 @@
 #ifndef MatchingDefs_h
 #define MatchingDefs_h
 
-#include "../CombBLAS.h"
+#include "CombBLAS.h"
 #include <iostream>
 
 namespace combblas {
--- a/BipartiteMatchings/Utility.h
+++ b/BipartiteMatchings/Utility.h
@@ -1,7 +1,7 @@
 #ifndef BP_UTILITY_H
 #define BP_UTILITY_H
 
-#include "../CombBLAS.h"
+#include "CombBLAS.h"
 
 namespace combblas {
 
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,7 @@ set_property(TARGET CombBLAS PROPERTY VERSION ${CombBLAS_VERSION})
 # installation
 install(DIRECTORY include/ DESTINATION include)
 install(DIRECTORY psort-1.0/include/ DESTINATION include)
+install(DIRECTORY BipartiteMatchings DESTINATION include FILES_MATCHING PATTERN "*.h")
 install(TARGETS CombBLAS EXPORT CombBLASTargets
   LIBRARY DESTINATION lib
   ARCHIVE DESTINATION lib
arch' size='10' name='q' value=''/>
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<div class='path'>path: <a href='/guix/log/?id=71bfbe9ba8806aeeec7963e1019e583565ee32d7'>root</a>/<a href='/guix/log/CODE-OF-CONDUCT?id=71bfbe9ba8806aeeec7963e1019e583565ee32d7'>CODE-OF-CONDUCT</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/CODE-OF-CONDUCT?id=71bfbe9ba8806aeeec7963e1019e583565ee32d7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-05-29 18:29:36 +0200'>2018-05-29</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=a076f19908d06b6df49f1c25c40de8838213cd71'>CODE-OF-CONDUCT: Switch to version 1.4 of the Contributor Covenant.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>