Login server consolidation. Merge three into one.

allow configuration of saml and ldap properties for the login server in cf-release starting with login 1.4.1
add SSL properties to the spec file
enable ability to import LDAP certificate, as well as specify it in the cf-properties.yml file as saml_login.ldap.sslCertificate

new login blobs and maven blob for future builds on login and uaa
Upgrade UAA to 1.5.0 and Login Servers to 1.4.1 (consolidated version)

Delete files that are not needed from saml_login and pivotal_login
Remove jobs pivotal_login and saml_login

This commit makes the PR https://github.com/cloudfoundry/cf-release/pull/273 obsolete.