added so the method "getAllGenomeReleasesForSpecie" can handle if the genome release for a specific specie
does not exist in db. also added a simple test for it.
Merge remote-tracking branch 'origin/database' into development

Conflicts:
	src/database/testSuite/unitTests/GenomeReleaseTableTests.java

fixed
Merge remote-tracking branch 'origin/development' into database