now sets the IUid in the constructor rather than at publish time.

java/src/ipaaca/AbstractIU.java

java/src/ipaaca/LocalIU.java

java/src/ipaaca/OutputBuffer.java

java/src/ipaacademo/TextPrinter.java

...est/src/ipaaca/ComponentCommunicationIntegrationTest.java

java/test/src/ipaaca/LocalIUTest.java