LB-1579 Add delay configuration fix css pointing.

Add a delay in secound for loading the embed ex: liveblog[delay]=10
Fixed the liveblog.servers.css right now should point to
servers.frontend instead of servers.rest
LB-1500 Fixed event triggering.

Added on insert backbone layout manager method, only when the element is
empty.
Merge pull request #127 from nistormihai/master

Configuration and Load more post fixed.