Upgrade UAA / Login Server
UAA Version 1.8.3
Login Server Version 1.8.5
Upgrade to Apache Tomcat 7.0.55 for UAA and Login
https://www.pivotaltracker.com/story/show/77973520
1. Allow configuration of multiple SAML providers
https://www.pivotaltracker.com/story/show/76918956

cf-properties.yml:
  Allow any configuration under login.saml to be merged in, even child objects
spec:
  Document spec file and deprecate not used properties
  Add in socket options for SAML HTTP metadata requests
login.yml.erb:
  Support new configuration options
  Represent long strings in a cleaner format,
  without the need for duplicate line feeds

2. Ability to configure default user scopes from a configuration file.
https://www.pivotaltracker.com/story/show/70602010

3. Set redirect URL based on login.protocol property

4. Deprecate the login.client_secret property. It is still backwards compatible, but is overriden by uaa.clients.login.secret if present.
Adjust unit tests
for changes to manifest driven by UAA 1.8.5 and Login Server 1.8.3
Require the property uaa.clients.login.secret as the uaa.login.client_secret is deprecated
Merge remote-tracking branch 'origin/pr/501' into develop
Remove non-essential configuration from warden stub fixture