feature: Add JAX-RS templates resource

The endpoint lists all contributed templates
and their attributes.

Change-Id: I0576e6edb651e200e950bf79f7373b39a2312ed4
Signed-off-by: Roberto E. Escobar <roberto.e.escobar@boeing.com>
bug[ats_ATS113608]: Check for email enabled for ATS Notifications

Change-Id: I4dc0df24a002681decedd95e9fc2a84167b6c37d
Signed-off-by: donald.g.dunne <donald.g.dunne@boeing.com>