Fixes bug 958595 - Removed the emails table from postgresql.
Merge pull request #1869 from AdrianGaudebert/958595-remove-emails-table-postgres

Fixes bug 958595 - Removed the emails table from postgresql.
Fixes bug 958595 - Fixed revision number to avoid conflicts in alembic.
fixes bug 963297 - enforce annotated types in crashstats model, r=rhelmer
Merge pull request #1871 from AdrianGaudebert/958595-remove-emails-table-postgres-fix

Fixes bug 958595 - Fixed revision number to avoid conflicts in alembic.
fixes bug 969062 - Return more descriptive 4xx errors in JSON, r=AdrianGaudebert
fixup crash_data service in the middleware