Bug 664695 Improve signature of nsIConsoleService::GetMessageArray r=bsmedberg r=msucan

...tebrowsing/test/browser/obsolete/browser_console_clear.js

content/xul/templates/tests/chrome/templates_shared.js

content/xul/templates/tests/chrome/test_tmpl_errors.xul

mobile/xul/chrome/content/console.js

toolkit/components/console/content/consoleBindings.xml

...t/components/feeds/test/xml/rfc4287/author_namespaces.xml

toolkit/devtools/webconsole/WebConsoleUtils.jsm

toolkit/devtools/webconsole/test/test_cached_messages.html

toolkit/xre/nsConsoleWriter.cpp

xpcom/base/nsConsoleService.cpp

xpcom/base/nsIConsoleService.idl