Fixes some checkstyle formatting issues

java/src/ipaaca/Buffer.java

java/src/ipaaca/HandlerFunctor.java

java/src/ipaaca/IUAccessMode.java

java/src/ipaaca/IUCommittedException.java

java/src/ipaaca/IUConverter.java

java/src/ipaaca/IUEventHandler.java

java/src/ipaaca/IUEventType.java

java/src/ipaaca/IUPublishedException.java

java/src/ipaaca/IUReadOnlyException.java

java/src/ipaaca/IUUpdateFailedException.java

java/src/ipaaca/Initializer.java

java/src/ipaaca/InputBuffer.java

java/src/ipaaca/IntConverter.java

java/src/ipaaca/LinkUpdateConverter.java

java/src/ipaaca/LocalIU.java

java/src/ipaaca/Payload.java

java/src/ipaaca/PayloadConverter.java