Update to Boost 1.72 (#287)

henryiii · web-flow · commit 11350f7cc1b7 · 2019-12-12T18:48:09.000-05:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,7 +1,7 @@
 ### Version 0.6.1
 
 Examples and notebooks are now up to date with the current state of the
-library.
+library. Using Boost 1.72 release.
 
 #### User changes
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -135,7 +135,7 @@ fish shell.
 for f in *
     cd $f
     git fetch
-    git checkout boost-1.71.0 || echo "Not found"
+    git checkout boost-1.72.0 || echo "Not found"
     cd ..
 end
 ```
diff --git a/extern/assert b/extern/assert
@@ -1 +1 @@
-Subproject commit 45a7c1f922051ebfc63b882b44f9cec39a4addb1
+Subproject commit b45979a319f28784db8924943abe8774efd13cf9
diff --git a/extern/config b/extern/config
@@ -1 +1 @@
-Subproject commit bbda3f0aba785b741c3acb615b7b4e3c077df62c
+Subproject commit dc67f3ea657dc70fdd27af8c0c866feb6c335dfc
diff --git a/extern/mp11 b/extern/mp11
@@ -1 +1 @@
-Subproject commit b23b97856c94de25b2909c89d4b8389543defa48
+Subproject commit f64bc319c0c37fdd02c2a736be77bdf682cab6d2
diff --git a/extern/throw_exception b/extern/throw_exception
@@ -1 +1 @@
-Subproject commit 514355281753b29d3be77d32a1817c5a0d0bd739
+Subproject commit 43a57d518cf99fc693eebedefcbaa91074674f54
diff --git a/extern/variant2 b/extern/variant2
@@ -1 +1 @@
-Subproject commit a60f432b642921e56395157c303bbe81b68df315
+Subproject commit a15364bd8148b147e0ba7d27197a36b33dac63b8
