add comment to indicate source of fs.go
add comment to indicate source of fs.go

Signed-off-by: Yagnesh Mistry <dabef9500a5848ac96341f542ac719d9b5448ff2@live.in>
(cherry picked from commit b66ae7493f11917e3d9245273c2e3388b41bb98b)

appscode/helm,appscode/helm