Docs fixed for horizon
Docs fixed for horizon

Symlink fix for UI developer guide.

Change-Id: I8b4488bee17ca029ae63310d00632219724c49a4

zhangjunli177/sahara,mapr/sahara,xme1226/sahara,tellesnobrega/sahara,esikachev/sahara-backup,crobby/sahara,zhangjunli177/sahara,zhangjunli177/sahara,ekasitk/sahara,crobby/sahara,egafford/sahara,matips/iosr-2015,tellesnobrega/storm_plugin,redhat-openstack/sahara,rnirmal/savanna,xme1226/sahara,mapr/sahara,henaras/sahara,keedio/sahara,matips/iosr-2015,esikachev/scenario,keedio/sahara,esikachev/sahara-backup,henaras/sahara,citrix-openstack-build/sahara,ekasitk/sahara,crobby/sahara,tellesnobrega/sahara,zhujzhuo/Sahara,bigfootproject/sahara,xme1226/sahara,citrix-openstack-build/sahara,esikachev/scenario,openstack/sahara,esikachev/sahara-backup,tellesnobrega/storm_plugin,henaras/sahara,zhujzhuo/Sahara,bigfootproject/sahara,tellesnobrega/storm_plugin,redhat-openstack/sahara,redhat-openstack/sahara,zhujzhuo/Sahara,bigfootproject/sahara,esikachev/scenario,mapr/sahara,matips/iosr-2015,rnirmal/savanna,ekasitk/sahara,egafford/sahara,citrix-openstack-build/sahara,openstack/sahara,keedio/sahara