Closes-Bug: #1394877 - Baremetal : Use API server Create and Delete port APIs and get rid of neutron port creation/deletion APIs for logical interface creation

Change-Id: Ifb475491a626b23817a59ea4bd959f4755320d26
Closes-Bug:#1396463 - Baremetal : While creating logical interface,Ports without instace ips should not been listed in the server dropdown

Change-Id: Ie035a9eec72900493fc7ee360f90a6645e17925d
Merge "Closes-Bug:#1396463 - Baremetal : While creating logical interface,Ports without instace ips should not been listed in the server dropdown"
Changed DNS dynamic records page next and prev buttons such way that they look like same as monitor vRouters flows page

Worked on below changes

 - DNS dynamic records page next and prev options should be same as vRouters flows page
 - Removed landing page grid pagination in DNS dynamic records page

Change-Id: I78b4091851d05e1c5f06cd1be5df7acef26e3c8f
Refactored node side  code for getting interfaces

Change-Id: Iaf55345861a161ad10ee177cdbdbaffa890fab7c
Merge pull request #51 from Juniper/master

Pull changes from Juniper/web-controller to absingla/web-controller