Fixes for CFv2
Using the Eclipse Code Formatter with the Spring code formatting rules: https://github.com/SpringSource/spring-batch/blob/master/spring-eclipse-code-conventions.xml
Adding buildpack support + ability to run test from an HTTP proxy

Preserving compatibility with existing clients by adding new methods in CloudFoundryClient and CloudFoundryOperations.
Added accessor for buildpack in application.
Merge pull request #41 from soudmaijer/master

Made some changes so the maven plugin actually works with CFv2
Merge branch 'custom-buildpack-issue42' of github.com:Orange-OpenSource/vcap-java-client into Orange-OpenSource-custom-buildpack-issue42
Bump cloudfoundry-client-lib version to 0.8.5