added stub for asset_domain settings to config tpl
added stub for asset_domain settings to config tpl

washingtonpost/datawrapper,robmcloughlin/Insights,washingtonpost/datawrapper,datafunk/datawrapper,motherjones/datawrapper,devinit/datawrapper,datafunk/datawrapper,devinit/datawrapper,robmcloughlin/Insights,kendrick-k/datawrapper,rubensfernando/datawrapper,ThuyNTran/datawrapper,devinit/datawrapper,kendrick-k/datawrapper,grepman/datawrapper,washingtonpost/datawrapper,grepman/datawrapper,elaOnMars/datawrapper,plusgut/datawrapper,robmcloughlin/Insights,datafunk/datawrapper,qqming113/datawrapper,motherjones/datawrapper,robmcloughlin/Insights,plusgut/datawrapper,qqming113/datawrapper,rubensfernando/datawrapper,elaOnMars/datawrapper,elaOnMars/datawrapper,elaOnMars/datawrapper,robmcloughlin/Insights,elaOnMars/datawrapper,kendrick-k/datawrapper,washingtonpost/datawrapper,grepman/datawrapper,elaOnMars/datawrapper,devinit/datawrapper,motherjones/datawrapper,kendrick-k/datawrapper,qqming113/datawrapper,devinit/datawrapper,grepman/datawrapper,plusgut/datawrapper,ThuyNTran/datawrapper,motherjones/datawrapper,motherjones/datawrapper,kendrick-k/datawrapper,kendrick-k/datawrapper,rubensfernando/datawrapper,ThuyNTran/datawrapper,qqming113/datawrapper,washingtonpost/datawrapper,ThuyNTran/datawrapper,devinit/datawrapper,datafunk/datawrapper,rubensfernando/datawrapper,washingtonpost/datawrapper,rubensfernando/datawrapper,plusgut/datawrapper,datafunk/datawrapper,qqming113/datawrapper,qqming113/datawrapper,datafunk/datawrapper,grepman/datawrapper,ThuyNTran/datawrapper,grepman/datawrapper,ThuyNTran/datawrapper,motherjones/datawrapper