Added the possibility to have nullable latitude and longitude
Added the possibility to have nullable latitude and longitude

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