emphasize integration tests in README.md

[Loic Dachary]

In README.md replace

 Each component is unit tested and an integration test shows that it performs as expected when used with a realistic scenario.

with

  Each feature is tested with an integration tests involving virtual machines to show that it performs as expected when used with a realistic scenario.

to emphasize the importance of integration tests. Knowing that integration tests exist is important to the person who discovers the module for the first time. Unit tests are also important but from the developer perspective.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/100480
Committed: https://git.openstack.org/cgit/stackforge/puppet-ceph/commit/?id=8d1e1236941884395f3fcd2230bc5161db246b4d
Submitter: Jenkins
Branch: master

commit 8d1e1236941884395f3fcd2230bc5161db246b4d
Author: Baillagou Florian <email address hidden>
Date: Tue Jun 17 14:59:42 2014 +0200

    Implements : emphasize integration tests in README.md

    Closes-Bug: #1326247
    Change-Id: Ibd296ab0b4c50d8ab42d427bd711df9235c4b4f4

[OpenStack Infra (hudson-openstack)]

Change abandoned by David Moreau Simard (<email address hidden>) on branch: master
Review: https://review.openstack.org/100594
Reason: Closing this review, it has been inactive for the past month. Please feel free to re-open and address the comments in the review if you would like this to go in.