D-Net

renaming test resources to be compliant with windows file system naming requirements

#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

#1435 making PMC XML parser less strict in terms of expected input elements or attributes: article-type is set to 'unknown' value when attribute not defined in XML main element

#1431 fixing PMC XML records parser disallowing null reference type, reference value will be simply omitted

#1383 replacing explicitly defined test cluster properties with init-test-cluster-config maven profile usage

#1381 reintroducing yadda repository required by cermine

#1381 porting pmc citations ingestion from cascading framework to pig. Moving code from icm-iis-ingest-pmc to icm-iis-transformers including itegration tests, removing obsolete scala code along with unneded dependencies. Switching subworkflow in primary workflow.

updating job.properties

#1370 making pmc ingestion integration tests run on dedicated test cluster istead of embedded mini-oozie container

#1329 setting affiliation string as raw text if parser produced empty Element object