2.0 (2013-05-22)
	*change the adress of the maintainer  (new : reg.gallon@gmail.com)
	*add new function grandistrib
	*corrections of bugs ( units)
	
2.0-1 (2013-11-07)
	*correction of .grancompat function
	
2.1 (2014-03-11)
	*corrections of bugs
	*add new function using shiny package
	
2.1.3 (2015-03-9)
  *corrections of bugs (computation of indices)
	*add new function using ggplot2 package