Merge remote-tracking branch 'origin/master' into video-audio

.gitattributes

.travis.yml

_test/tests/inc/common_basicinfo.test.php

_test/tests/inc/common_mediainfo.test.php

_test/tests/inc/common_pageinfo.test.php

_test/tests/inc/indexer_indexing.test.php

_test/tests/inc/mailer.test.php

_test/tests/inc/parser/parser_table.test.php

_test/tests/lib/exe/css_at_import_less.test.php

_test/tests/lib/exe/css_css_loadfile.test.php

_test/tests/test/basic.test.php

bin/striplangs.php

data/deleted.files

doku.php

feed.php

inc/Mailer.class.php

inc/RemoteAPICore.php

inc/Tar.class.php

inc/actions.php

inc/config_cascade.php