AWS IAM and LDAP auth tests ported to new code

Minor ldap/ldaps related changes in configure/configuration page + browser -> sel

Added set_auth_mode() to configure/configuration

Yaml changes related to auth + i18n goodness in group_roles section
Merge pull request #550 from jkrocil/new_auth_modes_tests

AWS IAM and LDAP auth tests ported to new code
Updated event relay yaml:

* vm_analysis_request
* vm_analysis_start
* vm_analysis_complete
* vm_analysis_failure
Merge pull request #556 from mfalesni/yaml_update

Updated event relay yaml