configure maven to skip all integration tests except when running 'integration' profile

[justinhrobbins]

something similar to this: http://www.petrikainulainen.net/programming/maven/integration-testing-with-maven/ http://www.petrikainulainen.net/programming/maven/creating-code-coverage-reports-for-unit-and-integration-tests-with-the-jacoco-maven-plugin/

• The dev profile is used during development and it is the default profile of our build. When this profile is active, only unit tests are run.
• The integration-test profile is used to run integration tests.
• The all-tests profile is used to run both unit and integration tests.