MigratePickToPick

Add notes here of a general nature regarding MV/MV migrations.

For platform-specific details, see the following:

• MigrateD3toQM (Use headers on this page as a template for others)
• MigrateD3toCache? (Doesn't yet exist - create it if you're inspired)
• MigrateUnidataToUniverse? (Doesn't yet exist - create it if you're inspired)
• MigrateUniverseToReality? (Doesn't yet exist - create it if you're inspired)
• MigrateRealityToD3? (Doesn't yet exist - create it if you're inspired)
• Migrate... add any XtoY? or XxToYy? platform here