Minor Update for the Resovled Review Questions
Minor Update for the Resovled Review Questions

1. Change return value for 'amebad_wdg_start' and 'amebad_wdg_keepalive'.
2. Change name of 'ON_PAUSE' to 'WDT_PAUS'.
3. Re-arrage programming logic of 'amebad_wdg_getstatus', no change in functionality.

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