Fix apparent duplicate memberships

• Fix apparent duplicate memberships (#698)

Bug fixes and country selector

• Add country selector to front page (#688, #691)
• Store incident:perpetrator_classification as a list (#693)
• Cast rank/role/title to None when empty in imports (#696)

Temporarily disable sources in downloads

See #686.

2019/2020 iteration 2: Field harmonization

For a detailed view into the changes made by this release, view the corresponding project: https://github.com/security-force-monitor/sfm-cms/projects/5

2019 Iteration 1: Squash blockers and deploy bulletproof CRUD on a user-testable system

For a detailed view into the changes made by this release, view the corresponding project: https://github.com/security-force-monitor/sfm-cms/projects/4

Fix countries page URLs

• Fix URLs in the Countries overview page to address broken links
• Make miscellaneous updates to the dev environment and CI

v1.2.15

Re-encrypted keys