Catalogue v4.0.0

• Update python to python 3
• Update Django to Django 2.9
• Update PostgreSQL and PostGiS
• Update js libraries

Catalogue v3.0.1

Small update

• Some features previously not support on Firefox -> Fixed
• Thumbnails got an error when file not found -> Fixed
• Download all visitor list, get timeout because so many pages and the file size is big -> Fixed
• Ingest some missing and NAMBIA sensors
• Fixing db-container which previously not stable.
• Search filter applied on CBERS. Previously when we search one of CBERS04 type, all data CBERS will come out. Now you can try it. -> Fixed on back end catalogue server
• Add Hint on date range
• Data summary menu now using JSON, previously directly to query so it takes time

Catalogue v3.0 going live

Merge pull request #442 from kartoza/develop

Merge develop to master