Add crontab to send configuration info (closes #3366)
+ Add Crontab management
+ Add parameter for interval
+ Migration to add parameter
+ Add crontab wich send configuration information when interval is done
+ Correct notice
Merge pull request #56 from thingthing/1.4-E3366

Add crontab to send configuration info (closes #3366)
Merge pull request #57 from thingthing/1.4-I3514

Cut version if too long (closes #3514)
Fixed: Work for 64-bit (refs #3514)