pdo.c : missalignment problem on some cpu when comparing cobids, various typo fixes
dcf.c : factorized code, and added automatic state change to operational when DCF finished
drivers/none : default time value is now nanoseconds

Authors :
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Edouard TISSERANT (www.canfestival.org)
Francis DUPIN (LIVIC)
Laurent BESSARD (www.canfestival.org)