Moved datamanger prototype to experimental directory to indicate that

it shouldn't be used in production code.

closes #2689

diff --git a/services/datamanager/datamanager.py b/services/datamanager/experimental/datamanager.py
similarity index 100%
rename from services/datamanager/datamanager.py
rename to services/datamanager/experimental/datamanager.py

diff --git a/services/datamanager/datamanager_test.py b/services/datamanager/experimental/datamanager_test.py
similarity index 100%
rename from services/datamanager/datamanager_test.py
rename to services/datamanager/experimental/datamanager_test.py