Merge branch 'master' into indexer_improvements

.gitignore

_test/cases/inc/IXR_Library_IXR_Message.test.php

_test/cases/inc/IXR_Library_date.test.php

_test/cases/inc/auth_aclcheck.test.php

_test/cases/inc/auth_admincheck.test.php

_test/cases/inc/auth_nameencode.test.php

_test/cases/inc/auth_password.test.php

_test/cases/inc/common_clientip.test.php

_test/cases/inc/common_obfuscate.test.php

_test/cases/inc/common_pagetemplate.test.php

_test/cases/inc/indexer_idx_indexlengths.test.php

_test/cases/inc/init_fullpath.test.php

_test/cases/inc/init_getbaseurl.test.php

_test/cases/inc/mail_isvalid.test.php

_test/cases/inc/mail_quoted_printable_encode.php

_test/cases/inc/mail_send.php

_test/cases/inc/pageutils_clean_id.test.php

_test/cases/inc/pageutils_getid.test.php

_test/cases/inc/pageutils_resolve_id.test.php

_test/cases/inc/pageutils_resolve_pageid.test.php