fix compatibility for PHP5.4

- Use PHPUnit 3.7 so debugging with PHPStorm is possible
- Use dev version of Prophecy so we can have verbose errors
fix CoreConfigure and InitCommand command
fix white-space handling in tests
Merge pull request #5 from sstok/222-wrap-up-deprecated-dialoghelper-and-improvement-on-processh-helper-builder

Complete dialoghelper and improvement