Graph analysis code
tests
isa2owl code
Deletions
Merge pull request #3 from agbeltran/dev

Dev
Added investigation publications
Adding invetigation contacts, still need to check for uniqueness
Changes in ISA-ISA-mapping.
Merged in dev (pull request #3)

merging dev to master
Merged in dev (pull request #4)

isa2owl-core pom file
Merge branch 'master' of https://bitbucket.org/isatoolsteam/isa2owl

Conflicts:
	isa2owl-core/src/main/resources/mappings/ISA-ISA-mapping.csv
	isa2owl-core/src/main/resources/mappings/ISA-OBI-mapping.csv
Dealing with publications for Investigations and Studies
Changes in graph parser
Fixes in ISA mapping
Fixes
pom file
Changed treatment of contacts
fixed error when the column uses a - and it is not corresponding to an ontology term
isa2owl-core/src/test/resources/ISAtab-Datasets/BII-S-3
log4j.xml