Update icn unit test job

1. Remove individual feature test plan. Because Jenkins can't vote
for multiple jobs. For example, we have two jobs for two different
features. If one job passes but another fails, Jenkins can't vote
both +1 and -1. So this patch merges all tests into a single one,
which follows the Akraino comminuty template.

2. Add icn view

Signed-off-by: chengli3 <cheng1.li@intel.com>
Change-Id: Ide8aa3fd9edd19bd3886bce622d9172c469768b7