Release v1.2.0

[shay-berman]

This is the PR to merge GA v1.2.0 content from dev to master (via release branch named release_v1.2.0). This PR related to the ubiquiy-k8s release PR https://github.com/IBM/ubiquity-k8s/pull/211.

Here is the release content (The content will be mentioned also in the release tag description of v1.2.0):

New in this release

• Expanded support matrix:

  • Support for Kubernetes v1.10 and v1.11.
  • Support for IBM Cloud Private v2.1.0.3. (https://github.com/IBM/ubiquity-k8s/pull/203)

  • Support for IBM Z architecture s390x (ubiquity related PRs). Full Ubiquity DockerHub repositories are as follows (introducing the new s390x images):

    Ubiquity component	manifest	x86	Power	s390x
    ubiquity	link	link	link	link
    ubiquity-db	link	link	link	link
    ubiquity-k8s-flex	link	link	link	link
    ubiquity-k8s-provisioner	link	link	link	link

• Stability improvements:

  • Improve idempotent aspects in Flex APIs: mount \ unmount \ attach \ detach \ isattach. (PRs-ubiquity-k8s and PRs-ubiquity)
  • Improve logging style to ease the troubleshooting (PRs-ubiquity-k8s and PRs-ubiquity)
  • Change Flex log directory (https://github.com/IBM/ubiquity-k8s/pull/166)
  • Upgrade to openssl-1.0.2o-r1 in Ubiqutiy image (https://github.com/IBM/ubiquity/pull/244)

• Refactors:

  • Code style improvement, aligning all code to gofmt (https://github.com/IBM/ubiquity/pull/209)
  • Increase unit test coverage
  • Update glide with specific versions (PRs-ubiquity and PRs-ubiquity-k8s)
  • Clean up old deployment method (https://github.com/IBM/ubiquity/pull/221, https://github.com/IBM/ubiquity-k8s/pull/201)
  • Remove sqlite (https://github.com/IBM/ubiquity/pull/207)

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This change is 

[coveralls]

Coverage decreased (-2.8%) to 51.98% when pulling de2fb2a157f237fe700a422668c94848fc56bf27 on release_v1.2.0 into 05e861a91b593b5024c0a06ea6116bd84af4f560 on master.

[shay-berman]

We have a green light to merge v1.2 to master.