Fix in fuelclient help message

 Moved --env flag back to subparsers
 thus resoving bug. Also removed some
 redundancy by adding required flags to
 actions data structure.

 Implements: blueprint cli-fix-doc-optional-and-required-arguments

Change-Id: I16d1486e46f23237ace991ea12bd211cf0aa7dd9
Rework NTP in FuelMenu be disabled if no gateway

It should be simpler to be able to start using
Fuel with no gateway or DNS. Therefore, NTP
will default to disabled with no valid gateway
configured. In most deployments, except those
in automated tests where dhcp_interface option
is provided in kernel options, NTP will be
disabled until the user re-enables it after
configuring their gateway.

Change-Id: I9cc7ba5a8e64468ab32d03d2afd8b055ffd80539
Closes-Bug: #1263934
Merge "Fix in fuelclient help message"
Merge "Rework NTP in FuelMenu be disabled if no gateway"
Fixes disks visual graph layout

Closes-Bug:#1275067

Change-Id: Id727619c331ca5aea2bb994968a20c57493bf1c9
Networks tab layout fixes

Closes-Bug: #1276181

Change-Id: I86926ddcefdd8b76bcc6421689e16d9737313da1
Merge "Networks tab layout fixes"
Support stop/reset deployment mechanism

* Add ability to stop deployment by request;
* Add ability to reset deployment by request;
* Small refactoring.

Implements: blueprint fuel-stop-deployment
Implements: bluepring naily-reset-env

Change-Id: Idbf7a4a00187edf8ab97fa3a41d724a55135d415
Implementation of stopping/resetting env in Nailgun

Added implementation of environment resetting

Change-Id: Ib2c8d2f7f570ba4293f7930cf4837a7ec09e222b