[ENSCORESW-2507]. Include select statement column in aggregate function to allow compatibility with MySQL 5.7 and above.

Oracle DB connections: if host is given, use it

- automatically retrieve deadlines from Release calendar
- changed created tickets for handover of REST to Web
- use the Metadata Registry to validate species names

[ENSCORESW-2509]. Check correct handling of collection DBs, create/destroy collection DBs along the process.

Throw if features array is empty and moved checks to the top.