remove reno reckling from the test groups
remove unneccessary fixtures and upgrade the test db
we use real json now
Remove non-existant modules from default fixtures
Remove webdav module, move the helper back to Calendar2
The contact_id field has been removed, update the tests.
Stop using removed models in the tests
run composer without --dev for travis to continue using our old .lock-file
update composer.phar and .travis.yml for new phpunit path
we can use composer install --dev again
test on php 5.5
use --no-interaction and --no-progress for travis composer
Merge pull request #349 from voidus/fixTests

I mergeed this because Travis said it's cool :)