Merge branch 'master' of https://github.com/simplesamlphp/simplesamlphp

bin/importPdoMetadata.php

bin/initMDSPdo.php

bin/memcacheSync.php

config-templates/authsources.php

config-templates/config.php

dictionaries/login.translation.json

docs/index.md

docs/simplesamlphp-advancedfeatures.md

docs/simplesamlphp-authproc.md

docs/simplesamlphp-authsource.md

docs/simplesamlphp-changelog.md

docs/simplesamlphp-customauth.md

docs/simplesamlphp-database.md

docs/simplesamlphp-errorhandling.md

docs/simplesamlphp-install.md

docs/simplesamlphp-maintenance.md

docs/simplesamlphp-modules.md

docs/simplesamlphp-nostate.md

docs/simplesamlphp-reference-idp-hosted.md

docs/simplesamlphp-reference-idp-remote.md