fixed package names
rosjava config for knowrob_common
removed semweb and thea packages to be replaced with system packages
removed local lib folder, to be replaced by mavencentral
moved src folder to the rosjava subproject
updated package inter-dependencies after consolidation of packges
add gradle build folder to gitignore
set references to maven jars for knowrob common
started to convert json_prolog to rosjava; service is yet to be changed
converted json_prolog server to rosjava, compiles with catkin
also adapted json_prolog client to new rosjava. compiles, but still untested