Output results in a scriptable format

[skuzzle]

Dependency failures might be written in junit xml format to the target folder in order to display such failures in CI environments.

Here is the format apprently used by Jenkins: https://llg.cubic.org/docs/junit/

[skuzzle]

Draft XML to produce:

<?xml version="1.0" encoding="UTF-8"?>
<testsuite 
    name="de.skuzzle.TestClassName" 
    tests="10"   <!-- max(ban pattern count, failures found) -->
    disabled="0" <!-- Always 0 -->
    errors="0"   <!-- Always 0 -->
    failures="5" <!-- Number of banned imports found in that class. -->
    skipped="0"  <!-- 0, unless skipFlag is true. In that case its the total number of   -->
    timestamp="2014-01-21T16:17:18"
    >
    
    <testcase 
        name="de.skuzzle.packagepattern.**"      <!-- The matched banned pattern -->
        classname="de.skuzzlepackagepattern.Xyz" <!-- The matched class -->
        time="0"                                 <!-- Always 0 -->
        >
        
        <failure 
            message="reason" <!-- The reason phrase of the matched group -->
        ></failure>
    </testcase
</testsuite>