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
ge</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=9c2563a80b6f1d8fb8677f5314e6180ea9916aa5'>root</a>/<a href='/guix/log/gnu?id=9c2563a80b6f1d8fb8677f5314e6180ea9916aa5'>gnu</a>/<a href='/guix/log/gnu/packages?id=9c2563a80b6f1d8fb8677f5314e6180ea9916aa5'>packages</a>/<a href='/guix/log/gnu/packages/check.scm?id=9c2563a80b6f1d8fb8677f5314e6180ea9916aa5'>check.scm</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/gnu/packages/check.scm?id=9c2563a80b6f1d8fb8677f5314e6180ea9916aa5&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-06-20 23:38:56 +0200'>2019-06-20</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=6cb1ef9ea28ee14b3bb5442e8af1f54c27802f09'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-06-20 23:08:16 +0200'>2019-06-20</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=651478aa18a3f575d3b4cc14166a15a1c45b0f61'>Merge branch 'master' into staging</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-06-19 15:05:45 +0200'>2019-06-19</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=90afa80dd9f0e78a826c36b9bfa5f745e2290cd9'>gnu: Add python-pytest-timeout.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/check.scm (python-pytest-timeout): New variable.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-06-18 15:32:56 +0200'>2019-06-18</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=4e24e442f2c9629edf08bef30ec98959da950189'>gnu: python-freezegun: Update to 0.3.12.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/check.scm (python-freezegun): Update to 0.3.12.
[native-inputs]: Remove PYTHON-NOSE and PYTHON-COVERAGE.  Add PYTHON-PYTEST.
[arguments]: Use "pytest" instead of "nosetests" for running tests.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-05-25 00:25:15 +0200'>2019-05-25</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=57df83e07d4b5e78d9a54c1a88d05b4a9ed65714'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>