SEBA-419 allow legacy to be specified on a per-model basis;
Deprecate "legacy" in favor of "custom_python"

Change-Id: I44625ff18ee7796996ae25ad700e58a0b36e7398
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 4e3c111..0d1a050 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/chameleon
-FROM xosproject/xos-base:3.2.1
+FROM xosproject/xos-base:3.2.2
 
 # xos-base already has protoc and dependencies installed
 
diff --git a/containers/xos/Dockerfile.client b/containers/xos/Dockerfile.client
index ec681b2..4b3b932 100644
--- a/containers/xos/Dockerfile.client
+++ b/containers/xos/Dockerfile.client
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/xos-client
-FROM xosproject/xos-libraries:3.2.1
+FROM xosproject/xos-libraries:3.2.2
 
 # Label image
 ARG org_label_schema_schema_version=1.0
diff --git a/containers/xos/Dockerfile.libraries b/containers/xos/Dockerfile.libraries
index 4e8521e..088745b 100644
--- a/containers/xos/Dockerfile.libraries
+++ b/containers/xos/Dockerfile.libraries
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/xos-libraries
-FROM xosproject/xos-base:3.2.1
+FROM xosproject/xos-base:3.2.2
 
 # Add libraries
 COPY lib /opt/xos/lib
diff --git a/containers/xos/Dockerfile.synchronizer-base b/containers/xos/Dockerfile.synchronizer-base
index d07d009..49b4b54 100644
--- a/containers/xos/Dockerfile.synchronizer-base
+++ b/containers/xos/Dockerfile.synchronizer-base
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/xos-synchronizer-base
-FROM xosproject/xos-client:3.2.1
+FROM xosproject/xos-client:3.2.2
 
 RUN mkdir -p /opt/xos/synchronizers
 
diff --git a/containers/xos/Dockerfile.xos-core b/containers/xos/Dockerfile.xos-core
index 28f6802..abd6825 100644
--- a/containers/xos/Dockerfile.xos-core
+++ b/containers/xos/Dockerfile.xos-core
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/xos-core
-FROM xosproject/xos-libraries:3.2.1
+FROM xosproject/xos-libraries:3.2.2
 
 # Install XOS
 ADD xos /opt/xos