Issue #2370677 by mikeryan: Add removeStep() method to Wizard API
Issue #2224297 by Dave Reid: Added destination handler for custom blocks
Issue #2259089 by Dave Reid: Display actual query for SQL sources
Issue #2260211 by nedjo: Allow skipping of file contents in MigrateListFiles
Issue #2296187 by cweagans: Batch MigrateSQLSource queries
Issue #2302929 by hefox: Explicitly count IDs for JSON source counts
Issue #2338511 by JulienD: Remove unnecessary .module reference from .info
Issue #2353527 by tea.time: Add getter/setter for trackLastImported