#1257 dropping schema generation related hacks in streaming modules, switching to literal schema parameters
Removing usage of working_dir from Java workflow node.
#1133 dropping useless workfing_dir creation for pig nodes
updating job.properties
#118 deleting output at prepare phase
#118 removing obsolete website usage subworkflows
#118 renaming communities_builder to community_builder
#118 introducing community to similarity hive transformer
#118 introducing madis based communities generation for website usage analysis