Added provenance info.
Keywords (repeated string) changed to keyword lists.
Move to package pl.edu.icm.coansys.models.
reference parsing error handling
Merge pull request #126 from lukdumi/master

unit test amendment, DuplicateGenerator executed in the test, not as maven plugin
Merge branch 'master' of git://github.com/CeON/CoAnSys
Refactoring with new protocol buffers model
Merge pull request #127 from acz-icm/master

Changes in protocol buffers model
oozie-maven-plugin moved from dependencyManagement to pluginsManagement
Fixed bugs (empty if statements).
Fixed issue reported by sonar: Method invokes inefficient Number constructor; use static valueOf instead.
Fixed issue reported by sonar: Bad practice - Random object created and used only once.
Fixed bug in countF1.
Cosmetic changes.
Merge pull request #128 from matfed/master

Citation parsing error handling
Oozie workflow for keywords-extraction
Merge branch 'master' of git://github.com/CeON/CoAnSys
Created config-default.xml for keywords extraction workflow
Created config-default.xml for logs analysis workflow
Merge pull request #129 from acz-icm/master

Oozie workflow and integration tests for keywords extraction
The logic of the DuplicateWorkVoter moved into separate *Comparators,
special key generator class, better tests
A configuration for the WorkYearComparator