Fixing issue with setting default minimum timer value for sending observation for the observing resource.
Fixing issue with setting default minimum timer value for sending
observation for the observing resource.

tridonic-com/mbed-client,tridonic-com/mbed-client,ARMmbed/mbed-client,ARMmbed/mbed-client,tridonic-com/mbed-client,ARMmbed/mbed-client