minor change to community creation error message & to some documentation

lib/README.lib

@@ -1,2 +1,22 @@
-When you download the MySQL JDBC driver, put the "mysql.jar" file in this
-directory.  Also put the Apache Jakarta LOG4J "log4j.jar" file here.
+LIBRARY REQUIREMENTS FOR VENICE
+===============================
+
+N.B.: Any later versions of the libraries given here should work OK as long as they are backward
+compatible with the versions specified here.
+
+Library                         Version  File Name(s)                      Install To
+-------------------------------------------------------------------------------------------------
+Apache LOG4J                    1.1.3    log4j.jar                         Venice "lib" subdirectory
+Java Activation Framework       1.0.1    activation.jar                    JRE "ext" subdirectory
+Java Advanced Imaging API       1.1.1    jai_core.jar, jai_codec.jar,      JRE "ext" subdirectory
+                                         mlibwrapper_jai.jar
+Java API for XML Parsing        1.1      jaxp.jar, crimson.jar, xalan.jar  JRE "ext" subdirectory
+JavaMail                        1.2      imap.jar, mailapi.jar, mail.jar,  JRE "ext" subdirectory
+                                         pop3.jar, smtp.jar
+Java Secure Socket Extensions   1.0.2    jcert.jar, jnet.jar, jsse.jar     JRE "ext" subdirectory
+MySQL JDBC Driver               2.0.2    mysql.jar                         Venice "lib" subdirectory
+
+NOTES
+=====
+JAI 1.1.1: Place the accompanying .so file in /usr/local/lib or some other path suitable for shared
+libraries.  If it can't be loaded, the JAI calls will still work.