Add Hana as a submodule of the master repository

Specifically:
- Adds Hana's test suite to the regression tests
- Add Hana as the libs/hana submodule
- Add entry for Hana to libs/maintainers.txt and libs/libraries.htm

.gitmodules

@@ -506,3 +506,6 @@
 	path = libs/compute
 	url = ../compute.git
 	fetchRecurseSubmodules = on-demand
+[submodule "libs/hana"]
+	path = libs/hana
+	url = ../hana.git

libs/libraries.htm

@@ -174,6 +174,9 @@ <h2>Libraries Listed <a name="Alphabetically">Alphabetically</a></h2>
     <li><a href="graph/doc/table_of_contents.html">graph</a> -
         Generic graph components and algorithms, from Jeremy Siek
         and a University of Notre Dame team; now maintained by Andrew Sutton and Jeremiah Willcock.</li>
+    <li><a href="hana/doc/html/index.html">hana</a> (C++14) - Heterogeneous sequences
+    and algorithms, type-level computations and other metaprogramming tools,
+    from Louis Dionne</li>
     <li><a href="heap/index.html">heap</a> -
         Priority queue data structures, from Tim Blechmann</li>
     <li><a href="icl/index.html">icl</a> -
@@ -787,6 +790,9 @@ <h3>Template <a name="Metaprogramming"> Metaprogramming</a></h3>
     <li><a href="fusion/index.html">fusion</a> -
         Library for working with tuples, including various containers,
     algorithms, etc. From Joel de Guzman, Dan Marsden and Tobias Schwinger.</li>
+    <li><a href="hana/doc/html/index.html">hana</a> (C++14) - Heterogeneous sequences
+    and algorithms, type-level computations and other metaprogramming tools,
+    from Louis Dionne</li>
     <li><a href="mpl/doc/index.html">mpl</a> - Template metaprogramming
     framework of compile-time algorithms, sequences and metafunction classes,
     from Aleksey Gurtovoy.</li>

libs/maintainers.txt

@@ -56,6 +56,7 @@ fusion                Joel de Guzman <joel -at- boost-consulting.com>, Dan Marsd
 geometry              Barend Gehrels <barend -at- xs4all.nl>, Bruno Lalande <bruno.lalande -at- gmail.com>, Mateusz Loskot <mateusz -at- loskot.net>, Adam Wulkiewicz <adam.wulkiewicz -at- gmail.com>
 gil                   Christian Henning <chhenning -at- gmail.com>
 graph                 Andrew Sutton <asutton -at- cs.kent.edu>
+hana                  Louis Dionne <ldionne.2 -at- gmail.com>
 heap                  Tim Blechmann <tim -at- klingt.org>
 icl                   Joachim Faulhaber <afojgo -at- gmail.com>
 integer               Daryle Walker <darylew -at- hotmail.com>

status/Jamfile.v2

@@ -97,6 +97,7 @@ run-tests libs :
     gil/test                    # test-suite gil
     graph/test                  # test-suite graph
     graph_parallel/test         # test-suite graph/parallel
+    hana/test                   # test-suite hana
     heap/test                   # test-suite heap
     icl/test                    # test-suite icl
     integer/test                # test-suite integer