Merge "Removed pin on sphinxcontrib-blockdiag"

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index dac845c..9b32cb6 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit dac845c622625f78f5c28be9b93ecf3ab377f488
+Subproject commit 9b32cb60360a2a2973c621053510718de0072111

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index 79a8f61..ae51564 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit 79a8f61035752620b50a0fb42d98361f21962cd9
+Subproject commit ae5156453ebf0c8c81c5aa2f791bb527dbf344ad