fix image sharing by correctly building activityItems array
fix image sharing by correctly building activityItems array

viezel/TiSocial.Framework,rborn/TiSocial.Framework,rborn/TiSocial.Framework,viezel/TiSocial.Framework,timanrebel/TiSocial.Framework,timanrebel/TiSocial.Framework,rborn/TiSocial.Framework,timanrebel/TiSocial.Framework