Sync leaf projects

...except velia, because of its dependency on sysrepo-ietf-alarms which
needs a little more work right now.

Change-Id: I38b66d9e5f1b678c79cd396d05c88e90cfe0b808
diff --git a/submodules/gammarus b/submodules/gammarus
index dde3d23..85a2fa4 160000
--- a/submodules/gammarus
+++ b/submodules/gammarus
@@ -1 +1 @@
-Subproject commit dde3d23d6e749200c24b0c0e71ea1c7136a722e3
+Subproject commit 85a2fa450e43324240b511ecdce22b50a58483ca
diff --git a/submodules/rousette b/submodules/rousette
index 700eb56..52050e5 160000
--- a/submodules/rousette
+++ b/submodules/rousette
@@ -1 +1 @@
-Subproject commit 700eb5658ececb72ebb2c8e719d29a1f719a772f
+Subproject commit 52050e50d8a28edf4f279ad20336d4a680bcf623