v7.19.1

[misaugstad]

• Adds a Raw Labels public API #3526 (PR #3528)
• Updates back end to prepare for a new Validate interface for severity & tags #2575, #2859 (PR #3525)
• Adds links to our new Accessible Communities website #3523 (PR #3529)
• Fixes file naming for saved crops #3506 (PR #3520)
• Improves organization of saved crops #3502 (PR #3521)