Added :gsub("\\\n","\\n") to string serialization

this is because string.format("q","\n")=="\\\n"
which can break some database programs
Suppressing use of the leash by robots, because that's horribly borked (due to the fake player entity only being server side and not being saved).
Fixed robot interaction with entities when Battlegear 2 is present (e.g. shears on sheep).
Merge pull request #195 from infinikiller64/patch-1

Added :gsub("\\\n","\\n") to string serialization
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7

Conflicts:
	src/main/scala/li/cil/oc/server/component/robot/Player.scala