[TAC-130] begin upgrade - need to check blueprints-neo4j2 impl to use neo2.1.2
[TAC-130] use blueprints 2.5.1 to pass test
[TAC-130] use bundled blueprints 2.5.1
[TAC-130] adapt mdsl to cypher for neo2.1.2
[TAC-130] add protection code on blueprints requests
[TAC-130] add good osgi import
[TAC-130] remove some useless comments