script errors mess up the output of the xml reporter

[cromega]

when something causes a yellow error, it ends up in wrong parts of the ouput. its true for the dots reporter as well, the yellow lines should be written somewhere after the failing test name, not among the dots.
but its especially critical with the xml reporter where those lines break the xml structure:

...
</testsuite>
�[1m�[33mUncaught exception: Unable to get property 'name' of undefined or null reference�[0m
�[1m�[33mUncaught exception: ./stuff.js:168 Uncaught TypeError: Cannot read property 'name' of undefined�[0m
<testsuite errors="0" tests="20" time="0.003" failures="0" name="Firefox 13.0.1, Windows 7">
...

also, the error lines shouldn't be truncated

[cjohansen]

The errors should show up as error elements. Will figure out why that's not the case.

[cromega]

ignore errors in the reporters that bubble up out of scope

[GCheung55]

May be dupe of #439.

[dkl-ppi]

This issue is now handled in #439.