rename all migrations to 1.x

db/migrations/1.44_add_switch_to_preselect_semester.php

db/migrations/1.45_refine_logevents.php

db/migrations/1.46_step00172_remove_ilias_connect.php

...ions/1.47_add_option_resources_hide_past_single_dates.php

db/migrations/1.48_step_00174_plugin_interfaces.php

db/migrations/1.49_step_00150_studygroups.php

db/migrations/1.4_step_116_participant_view.php

db/migrations/1.50_add_option_step_152.php

db/migrations/1.51_unhide_dozents.php

db/migrations/1.52_additional_semtree_log_actions.php

db/migrations/1.53_file_and_folder_priority.php

db/migrations/1.54_step_00161_plugin_admin.php

db/migrations/1.55_add_missing_log_actions.php

db/migrations/1.56_step_00176_wap.php

db/migrations/1.57_step_00158_privacy.php

db/migrations/1.58_add_config_allow_fakadmin.php

db/migrations/1.59_step_00194_studycourse.php

db/migrations/1.5_step_25_raumzeit_migrations.php

db/migrations/1.60_step_00191_modulesenable.php

db/migrations/1.61_remove_studygroupdozent.php