Merge "Provide default RTD yml description"

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index ddddf5e..d989ac5 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit ddddf5e5ae5eba4d935ac58a588e8f1636db09d8
+Subproject commit d989ac5dd729a29273a8879e2d5f88f3324ea4e6

diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index 51c7ac7..183ac4a 160000 (submodule)
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit 51c7ac7d8be19221ad2fce4c0f5d815bdb0f63a7
+Subproject commit 183ac4aa1c5a72f0dc48b3939c5b0502a9cd878e

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 6cf1569..3b0029e 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 6cf1569c50ab43c6642b7028a0bbdd9bbe901b17
+Subproject commit 3b0029e2d987eede8af0a678bec44a33bbc7bec4

diff --git a/docs/submodules/vnfsdk/model.git b/docs/submodules/vnfsdk/model.git
index a3adf07..24d831b 160000 (submodule)
--- a/docs/submodules/vnfsdk/model.git
+++ b/docs/submodules/vnfsdk/model.git
@@ -1 +1 @@
-Subproject commit a3adf07306490e9d0e88229c165630124376c86f
+Subproject commit 24d831b021d94ec504cad9a92e23476eb88b2881