Fixed harvester delete
fixed a couple more harvester bugs
Fixed editing
fixed tests when they were all running.
Added configuration for other databases
started work on developer docs
update to have better formatting
Added docs about testing
experiment with linking to another page of docs.
Attempt 2 att linking to module docs
added readmes to all modules
Merge branch 'spring-data-jpa' of github.com:jesseeichar/core-geonetwork into spring-data-jpa