ARC services
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a-rex           - ARC REsource-coupled EXecutation Service/Execution Capability
cache_service   - Service to expose some A-REX cache operations 
charon          - Remote Policy Decision Point/Security Capability
data-staging    - Service to execute data transfer requests
echo_java       - Demonstration services: how to write Java service 
echo_python     - Simple test service to demonstrate how Python based services should work
gridftpd        - GridFTP server
hopi            - Simple HTTP(S) service to support GET and PUT operations.
isis            - Information Indexing Service/Information Capability
janitor         - Janitor - RTE/Resource Management Capability
ldap-infosys    - LDAP based grid information system
ldap-monitor    - LDAP based grid monitor
saml            - Prototype implementation about attribute authority service and client
slcs            - Short-Lived Credential Service
storage         - Services for the ARC storage system
wrappers        - Collection of language bindings
ws-monitor      - Webservice based grid monitor
