* added integration tests for apt upgrade
changed version number for hello to 2.6 so that it works with Ubuntu 12.04
prevent tests from checking if aptitude is installed on non ubuntu systems
changed ordering on when statements for safe and full upgrade types so that the OS check happens before the aptitude check
added integration tests for apt upgrade
changed version number for hello to 2.6 so that it works with Ubuntu 12.04
* Moved additions to tasks/main.yml to make revisions easier. Changed tasks to multiline format
