fixes #13938 - remove reports fixtures

Under Rails 4.2, the rendering of the config_reports#show page was
failing as the reports fixtures referenced hosts that didn't exist.
Presence of host_id is validated under normal circumstances.

fixes #13828 - CVE-2016-2100 - only showing relevant bookmarks

fixes #13879 - load mocha/minitest integration explicitly

rails/rails@fd6aaaa removed automatic loading of mocha in Rails 4.2
from rails/test_help.

Fixes #13821 - Show different types of input depending on the paramter type

Fixes #13834 - associate puppet proxies only for puppet imports

fixes #13852 - add user_data to images api docs

fixes #10989 - removing 1.12 deprecations

refs #13348 - use proxies with expected features for search tests

Fixes #13348 - Allow searching of all hosts managed by a smart proxy

Fixes #6241 - Validations for associations with proxies