Don't escape strings in RSS
Don't escape strings in RSS

This was causing segmentation faults because rss helper was trying
to send `h` to @xml builder. We don't need to escape for XML anyway.

ccarruitero/teambox,rahouldatta/teambox,wesbillman/projects,irfanah/teambox,teambox/teambox,irfanah/teambox,nfredrik/teambox,alx/teambox,teambox/teambox,teambox/teambox,codeforeurope/samenspel,crewmate/crewmate,ccarruitero/teambox,vveliev/teambox,vveliev/teambox,nfredrik/teambox,nfredrik/teambox,crewmate/crewmate,vveliev/teambox,nfredrik/teambox,alx/teambox,irfanah/teambox,crewmate/crewmate,codeforeurope/samenspel,irfanah/teambox,rahouldatta/teambox,vveliev/teambox,rahouldatta/teambox,wesbillman/projects