Merge remote-tracking branch 'origin/master' into overridablelangstrings

.gitattributes

.travis.yml

_test/tests/inc/cache_use.test.php

_test/tests/inc/cli_options.test.php

_test/tests/inc/init_checkssl.test.php

_test/tests/inc/input.test.php

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

bin/dwpage.php

bin/gittool.php

bin/indexer.php

bin/render.php

bin/striplangs.php

bin/wantedpages.php

doku.php

feed.php

inc/HTTPClient.php

inc/Input.class.php

inc/TarLib.class.php

inc/auth.php

inc/cache.php