lp1840287-floating-group-configuration

lp1840287-floating-group-configuration

Enhance Floating Group Configuration page so that it includes
a way to configure the linked group members.  Both configuration
grids are shown on a single page.

Signed-off-by: Mike Risher <mrisher@catalyte.io>
 Changes to be committed:
	modified:   Open-ILS/src/eg2/src/app/staff/admin/server/admin-server.module.ts
	new file:   Open-ILS/src/eg2/src/app/staff/admin/server/floating-group.component.html
	new file:   Open-ILS/src/eg2/src/app/staff/admin/server/floating-group.component.ts
	modified:   Open-ILS/src/eg2/src/app/staff/admin/server/routing.module.ts