[evlatests] new executor software (v1.6.0)

[Rich Moeser]

A new version of the Executor has been released.

Changes and bug fixes (per Barry): 

Fixbug - wrap cards were being ignored.
PlanetInterferometerModel now knows about Moon.
Fixbug - correction of antenna pointing for parallax was incorrect.

+ Various technical and infrastructure things.
- clexec modified so it can run the array from computer other than mchost
- clexec shutdown time shortened
- Source objects made cloneable
- Source contructor of form Source(String name, double ra, double dec)
- Move onSouce stuff from Array to Subarray class
- Shutdown hooks to close sockets
- Permit assigning different analog sums to different subarrays


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Production file(s): (deployed to /home/mchost/evla/lib)

evla-observe-1.6.0.jar
libCalcCall-1.4.0.so

Symlinks at /home/mchost/evla/lib:

evla-observe-current.jar -> evla-observe-1.6.0.jar
evla-observe-old.jar -> evla-observe-1.5.2.jar
evla-observe-test.jar -> /home/asg/www-internal/maven/m2-repo/nrao/evla-observe/1.7.0-SNAPSHOT/evla-observe-1.7.0-SNAPSHOT.jar
libCalcCall.so -> libCalcCall-1.4.0.so

SVN tag(s) for this release:
https://svn.aoc.nrao.edu/repos/EVLA/observe/tags/evla-observe-1.6.0-06feb2008
https://svn.aoc.nrao.edu/repos/EVLA/commons/tags/evla-calc-1.4.0-06feb2008