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*ROLLING-UPGRADE:

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CONFIGURATION: The EE/CLUSTER configuration is required:
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1. In addition to setting APS_HOME, S1AS_HOME (see README for more details), 
   set environment variable SECURE to true (e.g. export SECURE=true on ksh)

2. Set DEPL_TARGET to CLUSTER (e.g. export DEPL_TARGET=CLUSTER on ksh)
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There are three ways to run the rolling-upgrade devtest:

1)"ant rolling-upgrade"
2)"ant -f rolling-upgrade.xml" (equivalent)

If you want to run the rolling-upgrade devtest from top by default :

3)
- uncomment the rolling-upgrade scenario from "simple-versioned-servlet/build.xml", it looks like "<antcall target="rolling-upgrade.scenario"/>"
- "ant all-ee" (from versioning devtest's directory or from deployment devtest's directory)==========================================================================