[SEBA-450] (part 2)

Add tox testing support on additional XOS library modules:

- xos-api
- xos-kafka (has no tests)
- xos-migrate (has no tests)
- xos-synchronizer

Change-Id: I98195bc9747971d3515882d517affe058dd86ac5
diff --git a/lib/xos-synchronizer/requirements.txt b/lib/xos-synchronizer/requirements.txt
new file mode 100644
index 0000000..dc7e5b9
--- /dev/null
+++ b/lib/xos-synchronizer/requirements.txt
@@ -0,0 +1,14 @@
+Jinja2~=2.10
+confluent-kafka==0.11.5
+multistructlog~=2.1.0
+networkx~=1.11
+inflect~=1.0.1
+astunparse~=1.5.0
+xosconfig~=2.2.6
+xosgenx~=2.2.6
+xosutil~=2.2.6
+
+# remove once xosconfig/xosgenx are updated with correct requirements.txt
+plyxproto~=4.0.0
+pykwalify~=1.6.0
+PyYAML~=3.12