[EAGLE-1046] Eagle supports policies import to a new site from a policy prototype

https://issues.apache.org/jira/browse/EAGLE-1046

add prototype management page
support policy create with proto

Author: zombieJ <smith3816@gmail.com>
Author: Zhao, Qingwen <qingwzhao@apache.org>

Closes #963 from zombieJ/EAGLE-1046.
12 files changed