Modified Crosswalk definition to match Importer expectation

applications/registry/core/libraries/importer.php expects a crosswalk
to have a validate($payload) method - see line 874 of that file.
Importer expects crosswalk to have metadataFormat()
Merge pull request #1 from DigitalCurationCentre/crosswalks

Modified Crosswalk definition to match Importer expectation
removed aSasASasASs garbage text from see full record link
minor styling fix
routes DOI
added cache to gitignore
Cherrypick NLA Pullback fixes
update orcid xsl to support new work type
Update ORCID library and interfaces
Limit recently updated records to users with <10 data sources
Merge pull request #9 from au-research/registry_delta_records_timeout

Limit recently updated records to users with <10 data sources
Merge pull request #15 from au-research/orcid_import_fix_empty_values

fix for inputting empty values into orcid
fix conflicts for logging orcid
fix conflicts
merge conflicts
merged with develop and fix conflicts
Merge branch 'rc12' into develop

* rc12:
  fix conflicts
  fix conflicts for logging orcid
  Merge pull request #15 from au-research/orcid_import_fix_empty_values
  Limit recently updated records to users with <10 data sources
  Update ORCID library and interfaces
  update orcid xsl to support new work type
  Cherrypick NLA Pullback fixes
  added cache to gitignore
  routes DOI
  minor styling fix
  removed aSasASasASs garbage text from see full record link
  Importer expects crosswalk to have metadataFormat()
  Modified Crosswalk definition to match Importer expectation