Composer enbump, and help text for depositing.
Merge branch 'feature/depositing_datasets' of https://github.com/lncd/Orbital-Bridge into feature/depositing_datasets
More supporting text, tidied up flow.
Merge branch 'feature/depositing_datasets' of https://github.com/lncd/Orbital-Bridge into feature/depositing_datasets

Conflicts:
	src/application/controllers/datasets.php