Adds EOI Registration Process

add bootstrap process for m057 geonetwork services

add data source check

added data sources to category list

add test class

replace with master sheet

add additional test

update eoi_registration to include harvester request

fix create harvester registration add missing &

update and add tests for geonetwork harvester resources

update table loader to verify parameter list, requires removing prints before pull request is made

update tests for geonetwork services

update source removing print statements

remove print statement

update tests, allowing for removal of harvesters added during preload.
update test preload spreadsheet (TESTED DOC) with new datasource resource
Merge pull request #2120 from birdage/m057_eoi_process_integ

M057: Integrates preloading of External DataSources as meta data resouces for use in Geonetwork