Extra confirmation before cluster removal

[Andrey Maximov]

This is actually a small feature request but it is easy to implement in 6.1 (only UI) and it already impacted our users, so we are going to track this as a bug.

1.We need to implement an extra step as part of cluster delete functionality. The github style is the most reasonable method, i.e. when a user wants to delete environment we should ask to type the name of this environment in the dialog.
2.A possible exception to this is a cluster with no node assigned to it.
3.Also in the confirmation dialog the default button should "Cancel" not "OK".

[Sergii Golovatiuk (sgolovatiuk)]

This should be also impemented on CLI also

fuel --env X env delete

deletes env without any notifications.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/172323

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/172323
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=985ecc3c58366a0ddab21daa8528a0e12d4e55df
Submitter: Jenkins
Branch: master

commit 985ecc3c58366a0ddab21daa8528a0e12d4e55df
Author: Julia Aranovich <email address hidden>
Date: Fri Apr 10 10:21:35 2015 +0300

    Extra confirmation before environment removal

    Closes-Bug: #1442335

    Change-Id: I41d59e5e0489a77e4376e260bbcbc63c62ac0b07

[Julia Aranovich (jkirnosova)]

There is UI changes only in 6.1. CLI part of the ticket postponed to 7.0

[Anastasia Palkina (apalkina)]

Verified on ISO #323

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