added resource_dereference class and specs
Merge branch 'andrey_develop_clone' into crichton_refactoring_resource_dereferencer
minor changes, make travis happy
added specs and addressed comments
added another spec
fixed PR comments
addressed comment from Jordi and fosdev
Merge pull request #148 from mdsol/crichton_refactoring_resource_dereferencer

#3 - Crichton refactoring resource dereferencer