TinkerStorageTest: got rid of delete dir errors by closing the Reader in GMLReader.inputGraph
blueprints-test: Made a few graph writer test OS agnostic.
blueprints-test: made EdgeTestSuite tests pass by closing a graph
blueprints-neo4j-graph: made Neo4jGraphTest tests pass by closing a graphs
Merge pull request #481 from juharris/TinkerStorageTest-passes

Making more tests pass - typically a windows related issue
Added missing graph shutdown calls to test suites
Resolved merge conflict
GraphSailConnection: re-using the vertex if the subject is the same as the object.
Merge pull request #483 from juharris/GraphSail-reuse-vertex

GraphSailConnection: re-using the vertex if the subject is the same as the object
Replaced System.lineSeparator calls with JDK 1.6 compatible equivalents
Added a test case to prevent #236 from reoccurring
Merge pull request #484 from sslavic/lineSeparator_jdk16

Replaced System.lineSeparator calls with JDK 1.6 compatible equivalents
Code comment on special handling of self-statements in addStatements, re: #483
Merge branch 'master' of github.com:tinkerpop/blueprints
Removed unnecessary org.json dependency (fixes #485)
Enforce use of JDK 1.6 or 1.7 to build Blueprints (addresses #484)
Merge branch 'master' of github.com:tinkerpop/blueprints into SailGraph.loadRDF
SailGraph.loadRDF: made two public methods, one for format and another for RDFParser @joshsh