Refactored ipaaca into "ipaacalib" and "ipaacatools" sub-projects

ipaacalib/java/ivy.xml

ipaacalib/java/manifest.mf

ipaacalib/java/rsb.cfg

ipaacalib/java/src/ipaaca/AbstractIU.java

ipaacalib/java/src/ipaaca/Buffer.java

ipaacalib/java/src/ipaaca/HandlerFunctor.java

ipaacalib/java/src/ipaaca/IUAccessMode.java

ipaacalib/java/src/ipaaca/IUCommittedException.java

ipaacalib/java/src/ipaaca/IUConverter.java

ipaacalib/java/src/ipaaca/IUEventHandler.java

ipaacalib/java/src/ipaaca/IUEventType.java

ipaacalib/java/src/ipaaca/IUPublishedException.java

ipaacalib/java/src/ipaaca/IUReadOnlyException.java

ipaacalib/java/src/ipaaca/IUStore.java

ipaacalib/java/src/ipaaca/IUUpdateFailedException.java

ipaacalib/java/src/ipaaca/Info.java

ipaacalib/java/src/ipaaca/Initializer.java

ipaacalib/java/src/ipaaca/InputBuffer.java

ipaacalib/java/src/ipaaca/IntConverter.java

ipaacalib/java/src/ipaaca/LinkUpdateConverter.java