Now Boris.omex is a valid ZIP file

Taken from
https://github.com/stumoodie/CombineArchive/blob/master/example_files/boris_test/Boris.omex.fixed
See 
https://travis.cs.ox.ac.uk/FunctionalCuration/experiment/AslanidiPurkinjemodel2009ampICaLblock/814/201402062053280/1125/provenance_info_0txt/24179/displayContent

pav:retrievedFrom
<https://travis.cs.ox.ac.uk/FunctionalCuration/download/e/201402062053280/1125/a/archive>
.
Tidy
log4j properties to avoid warnings from jena
Test /aslanidi_purkinje_model_2009.zip

and turn on logging first
parse RDF for resources
Change file metadata which was wrongly about <file:///> to <./>
Support both dct:modified and dct:created
Promote pathMetadata about / to the RO itself