Bug 1103906 - Update to latest wptrunner, a=testonly
Bug 1103906 - Update web-platform-tests to revision 551060ba2eb3fa6d1c713c179d52fdf1132ea50c, a=testonly

--HG--
rename : testing/web-platform/tests/dom/nodes/Document-createComment.html => testing/web-platform/tests/dom/nodes/Document-createTextNode.html
rename : testing/web-platform/tests/selectors-api/tests/submissions/Opera/level2-baseline.html => testing/web-platform/tests/selectors-api/tests/submissions/Opera/Element-matches.html
rename : testing/web-platform/tests/selectors-api/tests/submissions/Opera/level2-baseline.html => testing/web-platform/tests/selectors-api/tests/submissions/Opera/ParentNode-find-findAll.html
rename : testing/web-platform/tests/selectors-api/tests/submissions/Opera/level2-lib.js => testing/web-platform/tests/selectors-api/tests/submissions/Opera/ParentNode-find-findAll.js
Bug 1103906 - Enable logger for mach web-platform-tests-update script, r=ato
Bug 1089079.  Make .length on interface objects configurable.  r=peterv
Bug 1103906 - Update web-platform-tests expected data, a=testonly
Bug 1103905 - Bump version number of mozlog, r=davehunt