Allowing 'no indent' forum layout to order chronologically (Bug 1314397)

Change-Id: I10a145c4407bce41d9f3e7f5f7c1e20f65e3fb55
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
Merge "Allowing 'no indent' forum layout to order chronologically (Bug 1314397)"