Updated git submodules

Project: so master ea59a688ce8d31426a830500a164b891bc180b54

Handle special aai case better

corrected error handling in aai client for service instances
updated the exception logic for si's that are not found
adhere to mapNotFoundToEmpty in special case

Issue-ID: SO-851
Change-Id: I3843733553143dae046c1ae944a3bfd71ac5170c
Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 6f6ff2d..ea59a68 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 6f6ff2d81cde79a129e40846f1e3bd33848595d8
+Subproject commit ea59a688ce8d31426a830500a164b891bc180b54