Feature 10911-Vertical scaling of VM instances from OSM

	*Added NG-UI support for Vertical scaling
	*In NS Instances page. Click "Vertical Scaling" in the VIM action menu.
        *Then a new pop-up page will be opened.
        *In the popup there will be fields containing membervnfIndex, vduid, count index mandatory fields with Virtual Memory, size of storage and vcpu count field to vertically scale
        *When the fields are selected then Click Apply button.
        *The pop-up window is closed and the page is directed to "History of operations" page

Change-Id: I6d898c8637b361af69dc7e516e46834a346cda82
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>