Add missing 'grails.factories' for 'database-migration' plugin

Author: rainboyan

grace-plugin-database-migration/src/main/resources/META-INF/grails.factories

@@ -0,0 +1,31 @@
+grails.dev.commands.ApplicationCommand=\
+org.grails.plugins.databasemigration.command.DbmChangelogSyncCommand,\
+org.grails.plugins.databasemigration.command.DbmChangelogSyncSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmClearChecksumsCommand,\
+org.grails.plugins.databasemigration.command.DbmDbDocCommand,\
+org.grails.plugins.databasemigration.command.DbmDiffCommand,\
+org.grails.plugins.databasemigration.command.DbmDropAllCommand,\
+org.grails.plugins.databasemigration.command.DbmFutureRollbackCountSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmFutureRollbackSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmGenerateChangelogCommand,\
+org.grails.plugins.databasemigration.command.DbmGenerateGormChangelogCommand,\
+org.grails.plugins.databasemigration.command.DbmGormDiffCommand,\
+org.grails.plugins.databasemigration.command.DbmListLocksCommand,\
+org.grails.plugins.databasemigration.command.DbmMarkNextChangesetRanCommand,\
+org.grails.plugins.databasemigration.command.DbmMarkNextChangesetRanSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmPreviousChangesetSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmReleaseLocksCommand,\
+org.grails.plugins.databasemigration.command.DbmRollbackCommand,\
+org.grails.plugins.databasemigration.command.DbmRollbackCountCommand,\
+org.grails.plugins.databasemigration.command.DbmRollbackCountSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmRollbackSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmRollbackToDateCommand,\
+org.grails.plugins.databasemigration.command.DbmRollbackToDateSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmStatusCommand,\
+org.grails.plugins.databasemigration.command.DbmTagCommand,\
+org.grails.plugins.databasemigration.command.DbmUpdateCommand,\
+org.grails.plugins.databasemigration.command.DbmUpdateCountCommand,\
+org.grails.plugins.databasemigration.command.DbmUpdateCountSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmUpdateSqlCommand,\
+org.grails.plugins.databasemigration.command.DbmValidateCommand,\
+org.grails.plugins.databasemigration.command.SchemaExportCommand