#1498 introducing major citations related refactoring including new generic direct citation matching moved to processing phase, introduced position field in all citations schemas and updated collapser taking position into account when merging citations details coming from 3 variuos sources: fuzzy citationmatching, direct citationmatching, references metadata
extending test timeout
code cleanup
#1370 recreating java integration test to be executed when installing module in repository
#1370 making citationmatching integration tests run on dedicated test cluster istead of embedded mini-oozie container
Removing usage of working_dir from Java workflow node.