Fixing exit code and output of test runner

The test-runner will run all test suites and display their names anyway, then use an appropriate exit
code in case of failures.
Using the list of components to be tested (was using the skipped components list to be sure that the
exit code of the test runner were correct).

.travis/run-tests.sh

@@ -2,7 +2,13 @@
 travisdir=$(dirname $(readlink /proc/$$/fd/255))
 testdir="$travisdir/../tests"
 testedcomponents=(`cat "$travisdir/tested-components"`)
+result=0
 
 for tested in "${testedcomponents[@]}"
-    do phpunit -c $testdir/phpunit.xml $testdir/$tested
+    do
+        echo "$tested:"
+        phpunit -c $testdir/phpunit.xml $testdir/$tested
+        let "result = $result || $?"
 done
+
+exit $result