Add FileInputStream helper functions to GraphMLReader
Add FileOutputStream helper functions to GraphMLWriter
Add FileInputStream helper functions to GMLReader
Add FileOutputStream helper functions to GMLWriter
Add FileInputStream helper functions to GraphSONReader
Add FileOutputStream helper functions to GraphSONWriter
Compatibility with Java 5
This is required in order to make it easier to extend some blueprints interfaces. Notably com.tinkerpop.blueprints.Index. The parameterized type <T extends Element> necessitates that OrientElement be public.
Merge pull request #352 from simonbrandhof/master

Compatibility with Java 5
Merge remote-tracking branch 'xhochy/feature/outputGraphFile'
Merge remote-tracking branch 'origin/master'
Merge pull request #353 from pietermartin/orientelement

OrientElement class scope public