Merge pull request #89 from snowell/master

Update Sesame to 2.7.10, cp-openrdf-utils to 2.0.2. Bumped rev to 0.8.4
Inherit @Namespaces

DRY on namespace definitions
Merge pull request #90 from a3li/master

Inherit @Namespaces
Update Sesame to 2.7.10 and cp-openrdf-utils to 2.0.2. Bumped rev to 0.8.4
Inherit @Namespaces

DRY on namespace definitions
Enable maven build
Ensure String Literals are correctly typed
merge EmpireRDF/Empire, close #92
Merge branch 'EmpireRDF-master'
updating to openrdf utils 2.0.3, guava 17 and sesame 2.7.11
Cache accessbiles for faster access
Avoid unnecessary class generation when interface-parametrized collections are used