More junit-friendly format, with timestamps

Ouput format more compatible with JUnit XML, and that includes timestamps, although still "simple".

Example:
> ###junit testsuite time="..." id="..." text="..."
>
> ###junit testcase time="..." id="..." text="..."
>
> ###junit success time="..."
> ###junit failure time="..." text="..."
> ###junit error time="..." text="..."
>
> ###junit endsuite time="..."

Please note that any quotes " inside the quotes "..." are intentionally *not* escaped \\". The parser will have to cope with that.