rename all migrations to 1.x

db/migrations/1.286_remove_new_widget_system.php

db/migrations/1.287_replace_library_system.php

db/migrations/1.288_tic9898_add_course_wizard_step.php

db/migrations/1.289_tic10318_http_proxy.php

db/migrations/1.28_delete_wiki_links.php

db/migrations/1.290_termsconfig.php

db/migrations/1.291_step345_wiki_ancestor.php

...tions/1.292_add_admin_courses_sidebar_active_elements.php

db/migrations/1.293_adjust_i18n_tables.php

db/migrations/1.294_mvv_bugs.php

...igrations/1.295_remove_invalid_modul_user_assignments.php

db/migrations/1.296_biest_10803_fix.php

db/migrations/1.297_database_changes_tic_9218.php

db/migrations/1.298_hide_studygroups_from_profile.php

db/migrations/1.299_tiled_courses.php

db/migrations/1.29_step_00138_studienbereichszuordnung.php

db/migrations/1.2_step_102_datenfeldtypen.php

db/migrations/1.300_tiled_courses_2.php

db/migrations/1.301_tiled_courses_3.php

db/migrations/1.302_add_missing_indices_resources.php