Release 0.5.0

This release adds multiple features and bug fixes:

**Species+**
- Fixes issues with autocomplete speed;
- Fixes issue with inherited EU listings;
- Fixes issue with strange names showing under Subspecies and synonyms;


**Admin tool**
- Adds EU annex regulation and EU suspension regulations bulk management;
- Adds Quotas bulk creation;
- Admin can now mark geo entities as not current

**CITES Checklist**
- Fixes bug with appendix dropdown;

**Trade**
- Adds download by net/gross export/imports format;
- Adds download with commas/semi-colons on admin interface;
- Improves usability of editing sandbox shipments;
- Improves usability of managing shipments;
- Adds scripts to import trade names, hybrids, shipments and permits data;
- Adds feature to register public interface downloads, and allows downloading that list of public downloads;
- Adds features to delete shipments;
- Adds public interface to view shipments in the different possible formats;

__Note__: This pull request requires that migrations be ran, that the script to import end_dates for eu regulations be run, refreshing trade validation rules, importing hybrids and trade names;