adds some altmetric api stuff.
adds some altmetric api stuff.

Impactstory/oadoi,Impactstory/impactstory-tng,Impactstory/oadoi,Impactstory/impactstory-tng,Impactstory/sherlockoa,Impactstory/citeas-api,Impactstory/impactstory-tng,Impactstory/sherlockoa,Impactstory/oadoi,Impactstory/citeas-api,Impactstory/citeas-api