Update 04-rime/07-sky-collect.csc
Update 04-rime/07-sky-collect.csc

- decrease timeout value to 450,000 msec, which is enough to send 10
  messages at 30 seconds interval after 2 minutes start-up wait
- handle the case of receiving seqno out of range

MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,arurke/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki