CreateExampleGraph class added, which creates an example graph with two
branches and 5 revisions.
Merge remote-tracking branch 'origin/master' into conflict_management
CreateExampleGraph.java moved to another folder

SPARQLQueryTest.java created
Implementation of get common revision of two revisions with shortest
path (SPARQL-query needs virtuoso option TRANSITIVE)
Revision graph is configurable

Added new method for generation of a shortest path between two revisions
Changed package structure - moved development code from test to develop
Create revision progress method added - still under construction
get ADD and get DELETE set methods added
Create revision progress method is finished
SDDO (Structural Difference Definition Ontology) added
Change "Removed" to "Deleted" to be consistent with DELETE set
Initial SDD (Structural Difference Definition) added
Start moving methods to management package
Implementation of methods for creating the initial SDD started
New class Graph added
data type property revisionOf changed to object property
Merge remote-tracking branch 'origin/master' into conflict_management
Merge remote-tracking branch 'origin/master' into conflict_management
undo merges
Creation of a new graph under revision control initializes the defaul
SDD graph
Namespace xsd added in SDD file
SSDTripleState enum added
creation of conflicting triple model method started
Additions in merge management (creation of conflicting triple model)
added constructor in SDDTripleState enum
Changes in ontologies - created new ontology RPO