Docker container for LDAP.
Added Dockerfile and configuration files for LdapContainer.
Implemented POs for global security configuration (with ldap).
Two simple tests for ldap authentification.
Merge remote-tracking branch 'origin/master' into ldap
Two more tests for Ldap. Created hamcrest matcher for login check.
Removed login check from page object (use hamcrest matcher instead).
More tests for ldap configuration (user search base, user search filter).
Documentation for Docker LdapContainer.
Using @CheckForNull instead of @Nullable
Merge remote-tracking branch 'upupstream/master'
Merge branch 'master' into ldap
Refactored LDAP Plugin Test to use LdapSecurityRealm.
Remove SecurityConfig (use GlobalSecurityConfig instead).
Removed SecurityConfig from Jenkins.
Implemented new test for LdapPlugin: fallback to secondary server.
Added ldap groups and group memberships.
Merge branch 'ldap' of https://github.com/eidottermihi/acceptance-test-harness
Merge branch 'master' of https://github.com/jenkinsci/acceptance-test-harness