Merge remote-tracking branch 'github-nickvergessen/ticket/11459' into develop-ascraeus

* github-nickvergessen/ticket/11459: (21 commits)
  [ticket/11459] Make 3.1.0-dev migration depend on migrations_table
  [ticket/11459] Move $supported_dbms to beginning of create schema file
  [ticket/11459] Fix missing constant CONFIG_TABLE for sql_create_index()
  [ticket/11459] Fix auth provider test
  [ticket/11459] Correctly set up the database from schema in unit tests
  [ticket/11459] Install DB schema from json file
  [ticket/11459] Clean up a little more
  [ticket/11459] Do not add table schema to database schema files
  [ticket/11459] Create schema.json from migration files
  [ticket/11459] Do not take files of extensions into account
  [ticket/11459] Pass array with migration class names to schema generator
  [ticket/11459] Refresh schema files
  [ticket/11459] Remove spaces from the end of lines in MSSQL
  [ticket/11459] Correctly handle index column length
  [ticket/11459] Add migration for migrations table
  [ticket/11459] Update doc blocks
  [ticket/11459] Remove old schema file
  [ticket/11459] Update schema files with new script
  [ticket/11459] Use new migration/schema_generator to create schema files
  [ticket/11459] Add Schema from 3.0.0
  ...
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus: