Remove outdated mentions of CentOS 6.4

Change-Id: I8a546ef38fc1338f7fe2b18c1fd039ddaf2a36e5
Rearrange network models parameters

Implements: blueprint nailgun-rearrange-network-parameters

Change-Id: Ib70d1764e783a32423df0d136e8075a66d7cd773
Network configuration UI refactoring

blueprint ui-network-configuration-refactoring

Change-Id: I8db049625aff69ed91d071efd3416b3f9b680c0c
Docs nailgun/UI customization

Change-Id: Icac3b45cff5df3e512cc42e6ee582a48269b9b82
Merge "Docs nailgun/UI customization"
Pointer cursor fix

Closes-Bug:#1298956

Change-Id: I6b9cb78709405febd54872eac41317d45add090b
Merge "Remove outdated mentions of CentOS 6.4"