added some dev overrides in app kernel
minor phpunit dependency update
enabling process isolation by default for tests
updated web services bundle
updated symfony
updated elastica
Closes #243 - separates text encoding detection and conversion into separately testable utility
wip integration tests for production-like environments
fixed service response when deleting a relation, now returns expected response meta data
updated env test readme
Merge pull request #244 from evillemez/updates

Updates