Add event manager usage documentation
Add event manager usage documentation

radutopala/IvoryGoogleMapBundle,radutopala/IvoryGoogleMapBundle,yappabe/IvoryGoogleMapBundle,egeloen/IvoryGoogleMapBundle,radutopala/IvoryGoogleMapBundle,egeloen/IvoryGoogleMapBundle,egeloen/IvoryGoogleMapBundle,yappabe/IvoryGoogleMapBundle,rasanga/IvoryGoogleMapBundle,rasanga/IvoryGoogleMapBundle