Mistake in flow overriding default timeout from cmdline
Mistake in flow overriding default timeout from cmdline

- read iqrfapp.json first
- then parse cmdline params and override

- help sightly improved

iqrfsdk/iqrf-daemon,iqrfsdk/iqrf-daemon,iqrfsdk/iqrf-daemon,iqrfsdk/iqrf-daemon