Bump and unify mariadb-java-client versions

v1.1.3 seems to have disappeared from maven central
Upgrade cloudfoundry-client-lib

0.7.1 seems to have disappeared from the maven repo
Collect integration test coverage data

- Instrument classes before test runs
- Add coverage maven and spring profiles
- Force flush of integration test coverage with CoverageController

https://www.pivotaltracker.com/story/show/70476264
Merge branch 'feature/integration_coverage' into develop