cambio en help de getData.Rd

Se realizo 2 cambios en el help ya que si se sigue los pasos del example no va a correr.
little change in getData.Rd

Change in the Example section, otherwise the example script does not run
Merge branch 'master' of github.com:imarpe/imarpeTools

Little change in getData.Rd
Merge branch 'master' of github.com:imarpe/imarpeTools
Add plot of Sets

	a function to plot sets of bitacoras data.