A second run 

$ ./merge-myapp 
No conversion specified for table: al_links
No conversion specified for table: attachments
No conversion specified for table: auth_sources
No conversion specified for table: boards
No conversion specified for table: burndown_days
No conversion specified for table: changes
No conversion specified for table: changeset_parents
No conversion specified for table: changesets
No conversion specified for table: changesets_issues
No conversion specified for table: comments
No conversion specified for table: custom_fields
No conversion specified for table: custom_fields_projects
No conversion specified for table: custom_fields_roles
No conversion specified for table: custom_fields_trackers
No conversion specified for table: custom_values
No conversion specified for table: documents
No conversion specified for table: email_addresses
No conversion specified for table: enabled_modules
No conversion specified for table: enumerations
No conversion specified for table: execution_environments
No conversion specified for table: execution_journals
No conversion specified for table: execution_results
No conversion specified for table: execution_suite_test_case
No conversion specified for table: execution_suites
No conversion specified for table: groups_users
No conversion specified for table: issue_categories
No conversion specified for table: issue_checklists
No conversion specified for table: issue_relations
No conversion specified for table: issue_statuses
No conversion specified for table: issues
No conversion specified for table: journal_details
No conversion specified for table: journals
No conversion specified for table: member_roles
No conversion specified for table: members
No conversion specified for table: messages
No conversion specified for table: news
No conversion specified for table: open_id_authentication_associations
No conversion specified for table: open_id_authentication_nonces
No conversion specified for table: projects
No conversion specified for table: projects_trackers
No conversion specified for table: queries
No conversion specified for table: queries_roles
No conversion specified for table: questions
No conversion specified for table: rb_issue_history
No conversion specified for table: rb_journals
No conversion specified for table: rb_project_settings
No conversion specified for table: rb_project_story_trackers
No conversion specified for table: rb_project_task_statuses
No conversion specified for table: rb_release_burnchart_day_caches
No conversion specified for table: rb_releases_multiview
No conversion specified for table: rb_sprint_burndown
No conversion specified for table: rb_story_themes
No conversion specified for table: releases
No conversion specified for table: repositories
No conversion specified for table: roles
No conversion specified for table: roles_managed_roles
No conversion specified for table: schema_migrations
No conversion specified for table: settings
No conversion specified for table: test_cases
No conversion specified for table: test_suites
No conversion specified for table: time_entries
No conversion specified for table: tokens
No conversion specified for table: trackers
No conversion specified for table: user_preferences
No conversion specified for table: users
No conversion specified for table: versions
No conversion specified for table: watchers
No conversion specified for table: wiki_content_versions
No conversion specified for table: wiki_contents
No conversion specified for table: wiki_pages
No conversion specified for table: wiki_redirects
No conversion specified for table: wikis
No conversion specified for table: workflows
Total error count: 73