Removed number of customers for Pbes and PbesSQL
Added onLoadMinimumBalance and a new menu item on data to
load minimum balance from excel. If you dont load
the minimum balance first, the balance of the customers will be 0
some SQL corrections
getCustomers()
getCustomersAboveRate() part fix #51
fix copy paste mistake :)
this.customers=> this.getCustomers() -- to allow use of some older
functions e.g. export to text and or excel
implemented SQL version of
Merge remote-tracking branch 'github/master' into SQLiteStorage

Conflicts:
	uem.basesDeDatos.alonsostein.git/src/activity10/Pbes.java
	uem.basesDeDatos.alonsostein.git/src/activity19/PbesSQL.java
Preliminary work for onaddCustomers integration with SQL
Merge remote-tracking branch 'github/luis2'
Arranged the GuiUserModificator fix/40
Issue 40. Cant put values into JList
Issue 40
fix #40
fix part one #56
Fix B - for issue #56
fixed another part of issue #56 but something is still wrong
Merge remote-tracking branch 'github/SQLiteStorage'