927598 - Remove system template section of promotion page
(cherry picked from commit bd92b75697fd28496d16fd7b83781ec2e8f41ad7)
asset-pipeline - fix for multiselect on various pages

this commit contains changes to address the issue raised in:
https://github.com/Katello/katello/issues/2001
(cherry picked from commit 7264f5747af2045bba4163cd8901d6acadc76f0a)
950539 - Adding content view option to package/errata list
(cherry picked from commit 1e2ff042c167a2c562aee6f32bdb773780d496fe)
issue 1998 - client cannot register to a content view

This commit addresses the issue raised by:
https://github.com/Katello/katello/issues/1998
(cherry picked from commit 436f18e72340402ccf533bd9e07e9703e438a5d3)
issue 1998 - add a test to check setting of env + content view

This is a simple test to make sure that if the system create
occurs that contains a combination of env+content view
that both are saved for the system.
(cherry picked from commit 1554d86c2a2df75783024c520773cdebe0eeafa8)
Merge pull request #2007 from jlsherrill/1_3_picks

a few cherry picks for 1.3