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Version 2.2.1B: Changes from 2.2.0
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Facilitator
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When shutting down, now closes all connections more gracefully.  This
should help to ensure that the facilitator's listen port gets released
more promptly by the operating system.

New build works with RedHat 8.0.

Fixed the facilitator's backward compatibility module, so that it
properly supports the use of agents built using OAA 1 libraries (such
as the Perl and Lisp libraries).  

All libraries: ICL term parsing routines now support the infix use of
the following operators:
    :- ; = : :: + - * /

Prolog library
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Sicstus-generated executables no longer distributed for Solaris 5.6.

Fix to ordering of incoming messages (related to version of
samsort function used with Sicstus).


Java library
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Added the old constructor (from v. 2.1.0) back to IclStruct for
backwards compatibility.  This constructor takes a Vector as input.

Also for backwards compatibility, iclFunctor() once
again returns an empty string instead of NULL.

Previously, the local solve parameters and actual solve
parameters were placed in the solve parameters list passed to the
OAAEventListener interface, causing that list to contain two
sublists.  Now the two sublists are "flattened" into a single list.

A new class, ToList, makes it possible to convert an IclTerm object
into an IclList object, without having to use an explicit cast.  This
is a convenience for use with WebL. 

Improvements to ICL Term interface:
    Added generic IclTermTraverser abstract class for traversing an
IclTerm's children.
    Added a class to generate a manually constructed IclTerm from a
String.
    Added isAtomic() and isComposite() methods to IclTerm.
    Changed composite terms to take a List instead of ArrayList in
constructor.
    Changed IclTerm.iterator() and IclTerm.listIterator() to always return
a valid iterator.

log4j and concurrent (the open-source Java packages) have been "unbundled" from
oaa2.jar.  That is, it now is built and loaded as a separate jar file.
src removed; jar file distributed.

antlr (the open-source Java package) has been "unbundled" from
oaa2.jar, and renamed to antlr-oaa.jar.  The renaming reflects the
fact that the OAA source distribution includes modifications to
several of the antlr source files.  

xerces - removed altogether

Java Agents
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Corrected version number and/or copyright date that are displayed by
certain agents, for the Help/About menu command.

Fixed the Help command in StartIt.

Cleaned up calls to deprecated functions.

Updated weather agent script (yahooweather.webl) to accommodate 
recent HTML changes on the Yahoo site.