Merge branch 'master' of https://projects.cit-ec.uni-bielefeld.de/git/ipaaca

java/src/ipaaca/LinkUpdateConverter.java

java/src/ipaaca/LocalIU.java

java/src/ipaaca/Payload.java

java/src/ipaaca/PayloadConverter.java

java/src/ipaacademo/PythonCall.java

java/test/src/ipaaca/InputBufferTest.java

java/test/src/ipaaca/IuConverterTest.java

java/test/src/ipaaca/LocalIUTest.java

python/build.properties

python/build.xml

python/ivy.xml

python/src/ipaaca.py