Remove .gitignore for sub-directory
Fix type of exception for listRuns test
Merge pull request #271 from giffels/dbs3-github-migration

Remove .gitignore for sub-directory
Merge pull request #270 from giffels/dbs3-fix-client-test

Fix type of exception for listRuns test
Fix missing keys acquisition_era_id and processing_era_id for some DBS2 data
Merge pull request #272 from giffels/dbs3-migration-fix

Fix missing keys acquisition_era_id and processing_era_id for some DBS2 data