Create clover.xml

Create the code coverage xml report as well.
Merge pull request #22 from orybak/master

Meta runner for vstest+dotCover
Merge pull request #20 from micheh/patch-1

PHPUnit: Create clover.xml
Update MRPP_PHP_PHPUnit.xml

Fixed an issue when code cverage was disabled.
Merge pull request #26 from maartenba/patch-1

Update MRPP_PHP_PHPUnit.xml