Fixed bug "ETL giving error on out function (missing argument for '% f')"

This must be a bug in a recent commit:

Exception in thread "main" java.util.MissingFormatArgumentException:
Format specifier '% f'
	at java.util.Formatter.format(Formatter.java:2519)
	at java.util.Formatter.format(Formatter.java:2455)
	at java.lang.String.format(String.java:2925)
	at
com.orientechnologies.orient.etl.OETLProcessor.out(OETLProcessor.java:41
8)
	at
com.orientechnologies.orient.etl.OETLProcessor.executeSequentially(OETLP
rocessor.java:466)
	at
com.orientechnologies.orient.etl.OETLProcessor.execute(OETLProcessor.jav
a:257)
	at
com.orientechnologies.orient.etl.OETLProcessor.main(OETLProcessor.java:2
25)