Sfc-ui - data templates, improved clone button

+ for each create dialog 'default' template is predefined
+ user can create own templates which are stored in browser storage forever

+ clone button now opens edit dialog to allow changes to cloned entity

Change-Id: Ie19f5425763c2106a4f4dc9b9af53e7f26c838d8
Signed-off-by: Andrej Kincel <akincel@cisco.com>