Allow `rocotoboot` to rotate the log file. (#12)
Allow `rocotoboot` to rotate the log file. (#12)

* Updating `rocotoboot` to roll logs too.

Rocotorun will roll the log file if a task fails. However
rocotoboot clobbers the previous log file. This change causes
these logs to be rotated too.

* Bugfix.

Forgot to change the cycle time reference if the IO is hung.

christopherwharrop/rocoto,christopherwharrop/rocoto