Added missing graph shutdown calls to test suites
Resolved merge conflict
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
Merge branch 'master' of github.com:tinkerpop/blueprints