Arcus miscellaneous code.

• acp-c : Arcus c client performance benchmark program
• acp-java : Arcus java client performance benchmark program
• app_rep : Arcus replication example by application
• compare : Arcus cache content comparison test
• lua_sendbox : lua script example
• mrr : network latency checker
• ngrinder : ngrinder test script sample
• test_java : Arcus java client text programs
• test_shelf : miscellanuous tests