Rounding :

	Rounding check in allows to round the check in to a lower value.
	For example, a time of 1h02min will be rounded to 1 hour if the rounding  interval is 5 minute.
	In this case, 1h54min will be rounded to 1h50min.

E-mail adress :

	This is the e-mail adress that will be used in order to receive saving data. E-mail sending will be launched since an Android e-mail application that will be choosen by the user at saving time.

Separator :

	The separator will be the one selected during saving in CSV format. This allows to collect directly check in in an Excel table.
