aps_package: book references fix

* Adds publisher location information.

* Adds editors.

* Adds volume and page information.

Signed-off-by: Georgios Papoutsakis<georgios.papoutsakis@cern.ch>
Merge pull request #31 from GiorgosPa/aps

aps_package: book references fix
epdsciences_package: adds new module

* to convert the metadata from edpsciences to marc xml.

Signed-off by: Georgios Papoutsakis<georgios.papoutsakis@cern.ch>