transformed parser unit tests to phpunit

_test/cases/inc/parser/xhtml_links.test.php

_testing/README

_testing/unittests/inc/parser/parser.inc.php

_testing/unittests/inc/parser/parser_eol.test.php

_testing/unittests/inc/parser/parser_footnote.test.php

_testing/unittests/inc/parser/parser_headers.test.php

_testing/unittests/inc/parser/parser_i18n.test.php

_testing/unittests/inc/parser/parser_links.test.php

_testing/unittests/inc/parser/parser_lists.test.php

_testing/unittests/inc/parser/parser_preformatted.test.php

_testing/unittests/inc/parser/parser_quote.test.php

_testing/unittests/inc/parser/parser_quotes.test.php

_testing/unittests/inc/parser/parser_replacements.test.php

_testing/unittests/inc/parser/parser_table.test.php

_testing/unittests/inc/parser/parser_unformatted.test.php