refs #1991 - Cache not cleared prevent location / org feature to show up

1. ensures settings cache is removed when app starts
we can't remove all cache, with Rails.cache.clear as that might lead to issues
with people using memcache with multiple foreman instances (e.g. we can clear...

renamed to thread_session.rb

fixes #2061 - test if oVirt API has HTTPS redirect

rest_client will refuse to follow redirects on POST requests, so the URL must
be entered as HTTPS. Don't require HTTPS as dev environments may be HTTP-only.

fixes #2062 - Add max_trends setting

added slash /unattended to other url_for calls

refs #2023 - always write using_storeconfigs default as a boolean

fixes #2030 - define instance variables during ERB evaluation when not using safemode

Thanks to Paavo Pokkinen <paavo.pokkinen@faarao.fi>

fixes #1995 - enable param class ENC by default on Puppet 2.6.5+

fixes #1994 - set vardir for puppet 3, use --configprint

When running Puppet 3 as a non-root user (i.e. foreman), both --confdir and
--vardir have to be specified as per Puppet #16637, else SSL settings dependent
on vardir will fail.

This adds a new puppetvardir setting used with puppetconfdir, and supports...

replaced default taxonomy migration with a multiple actions for assigning hosts to orgs and locations.