Updates for VOLTHA 2.8

- Update jobs to 2.8 and master versions
- Add Radisys RTL-3200G, RTL-1600G, RTL-1600X OLTs
- Fix Makefile issues (wasn't creating jobs dir)

Change-Id: I6f3cb1ecff4a42b21368951101acb002c0799780
diff --git a/Makefile b/Makefile
index 504d6b3..a217846 100644
--- a/Makefile
+++ b/Makefile
@@ -30,9 +30,12 @@
 site:
 	mkdir site
 
+jobs:
+	mkdir jobs
+
 build: buildcollector siterender ## Collect build info and create website
 
-buildcollector: $(VENV_NAME) products ## Collect build information from Jenkins jobs
+buildcollector: $(VENV_NAME) jobs products ## Collect build information from Jenkins jobs
 	source ./$</bin/activate ; set -u ;\
 	$(PYTHON) buildcollector.py scrape.yaml --credentials credentials.yaml $(COMMON_ARGS)
 
@@ -68,7 +71,7 @@
 	reuse --root . lint
 
 clean: ## Delete all temporary files
-	rm -rf products site *.xml *.egg-info
+	rm -rf products site jobs *.xml *.egg-info
 
 clean-all: clean ## Delete virtualenv and all cached job information
 	rm -rf $(VENV_NAME) jobs .tox