Modularized GuiCallPlacement
Jlist now contains rate and changed the way it gets the data
Added duration to the billing information on JList
GUIUserModificator has wrong order of items issue #63 fixed
Modularized GuiUserModificator
 Pbes: Created arraylist of buttons to add action listener through a
loop
created arrayList of buttons
Added custom closing window module to GuiUserModificator issue #25
Cleaned code from setUserModificator(Customer currentCustomer) issue #34
some changes for further work
Merge remote-tracking branch 'github/luis2' into SQLiteStorage

Conflicts:
	uem.basesDeDatos.alonsostein.git/src/activity10/GuiUserModificator.java
	uem.basesDeDatos.alonsostein.git/src/activity10/Pbes.java
	uem.basesDeDatos.alonsostein.git/src/activity13/CustomerCall.java