bug22852: update Sesame version references from 2.6.8 to 2.7.11

With this change, Sesame 2.6.8 references are updated to 2.7.11

make test-bigger passes
make tutorial passes
make jena-tutorial passes

<release-note>
bug22852. update Sesame version references from 2.6.8 to 2.7.11

With this change, Sesame 2.6.8 references are updated to 2.7.11

</release-note>

Change-Id: Ia5742a9bb1d4f26187c1481256323d6929981ee3
Reviewed-on: https://gerrit.franz.com:9080/4400
Reviewed-by: Ahmon Dancy <dancy@franz.com>
Reviewed-by: John O'Rourke <jor@franz.com>
Tested-by: Kevin Layer <layer@franz.com>
bug22854: TutorialExamples.java does not run in 5.0.rc2 java client

With this change, Tutorial examples run with out any runtime
warnings. Also some warnings are fixed in callimachus tests

make test-bigger passes
make tutorial passes
make jena-tutorial passes

<release-note>
bug22854: TutorialExamples.java does not run in 5.0.rc2 java client

With this change, Tutorial examples run with out any runtime
warnings. Also some warnings are fixed in callimachus tests

</release-note>

Change-Id: I0caa31ad0451065c35691a56185a2ab31bb74383
Reviewed-on: https://gerrit.franz.com:9080/4401
Reviewed-by: Ahmon Dancy <dancy@franz.com>
Reviewed-by: John O'Rourke <jor@franz.com>
Tested-by: Kevin Layer <layer@franz.com>