Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 8e1de081db6c6c87d05687125c0316877ae1bec3
  - Merge "heatbridge implementation for openstack-adapter"
  - heatbridge implementation for openstack-adapter

    Converted heatbridge to use AAI Client
    Removed open feign
    Removed new aai client implementation
    Removed aai helper classes
    Removed unnecessary pom.xml imports
    converted HeatBridgeImpl to rely on AAI transactions
    added some example unit tests
    Replaced MsoLogger with slf4j
    Resolved merge conflicts

    Change-Id: I933b49fae82c2f0d7a66d9a85b367b29006c73cc
    Issue-ID: SO-1484
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    Change-Id: I547b35ebdf51f4534de5d51d7d50a90bb9de4c72
    Signed-off-by: Munir Ahmad <munir.ahmad@bell.ca>
    Issue-ID: SO-1484

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 0d97f87..8e1de08 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 0d97f87b6381ea06350933b375c4e821b5e10568
+Subproject commit 8e1de081db6c6c87d05687125c0316877ae1bec3