rename all migrations to 1.x

db/migrations/1.62_gender_iso_5218.php

db/migrations/1.63_tic1207_config.php

db/migrations/1.64_step_00199_forced_course_grouping.php

db/migrations/1.65_step_00198_deputies.php

db/migrations/1.66_config_filesystem_multicopy_enable.php

db/migrations/1.67_step_00204_no_document_deletion.php

db/migrations/1.68_add_schedule_table.php

db/migrations/1.69_step_00202_enhanced_seminar_cycle.php

db/migrations/1.6_step_25_raumzeit_db_conversion.php

db/migrations/1.70_step_00184_html5_video.php

db/migrations/1.71_step_00192_page_layout.php

db/migrations/1.72_config_ajax_autocomplete_disabled.php

db/migrations/1.73_step_00193_html_email.php

db/migrations/1.74_tic1422_pagination.php

db/migrations/1.75_pdf_logo_configuration.php

db/migrations/1.76_termin_related_persons.php

db/migrations/1.77_step_00223_lockrules.php

db/migrations/1.78_step00219_webservice_access.php

db/migrations/1.79_step_216_automatisiertes_eintragen.php

db/migrations/1.7_table_token_class.php