Add ES6 arrow function support to utils.clean
Fix #1191

Make sure that a test case returning a promise fails if the promise is rejected without a reason.
xunit reporter: don't include attrs in failure tag

It's not valid according to the junit xsd. Also the message attribute is not valid in the testcase tag, so it's moved to the failure tag.
closes #865: Disable timeouts when running under the debug
Merge pull request #1224 from mattias-lw/fix_issue_1191

Fix #1191 - Tests succeed on rejected falsey promises
Merge pull request #1244 from oker1/patch-1

xunit reporter: don't include attrs in failure tag
Merge pull request #1176 from fitzgen/utils-clean-es6-arrows

Add ES6 arrow function support to utils.clean
updating package.json to reflect current maintainers

as mentioned in #332
allow local modules to work as ui and reporters
Merge pull request #1267 from giggio/tryfixui1

Allow local modules to work as UIs and Reporters when running mocha globally
Merge pull request #1262 from jsdevel/disabling-timeout-when-debug-option-is-set

closes #865: Disable timeouts when running under the debug