ATO-20 o Fix chain creation   - default parameter make a chain containing all files of the list   - proper treatment of maxFiles and startFile, before maxFiles lead     to one more file than expected (the file before start file) o Remove compiler waring of unused variable
ATO-20
o Fix chain creation
  - default parameter make a chain containing all files of the list
  - proper treatment of maxFiles and startFile, before maxFiles lead
    to one more file than expected (the file before start file)
o Remove compiler waring of unused variable

ALICEHLT/AliRoot,ALICEHLT/AliRoot,coppedis/AliRoot,sebaleh/AliRoot,mkrzewic/AliRoot,jgrosseo/AliRoot,ecalvovi/AliRoot,jgrosseo/AliRoot,jgrosseo/AliRoot,jgrosseo/AliRoot,shahor02/AliRoot,jgrosseo/AliRoot,alisw/AliRoot,ALICEHLT/AliRoot,miranov25/AliRoot,shahor02/AliRoot,jgrosseo/AliRoot,jgrosseo/AliRoot,alisw/AliRoot,ALICEHLT/AliRoot,coppedis/AliRoot,shahor02/AliRoot,shahor02/AliRoot,sebaleh/AliRoot,coppedis/AliRoot,ecalvovi/AliRoot,alisw/AliRoot,shahor02/AliRoot,alisw/AliRoot,alisw/AliRoot,ecalvovi/AliRoot,mkrzewic/AliRoot,alisw/AliRoot,alisw/AliRoot,miranov25/AliRoot,coppedis/AliRoot,sebaleh/AliRoot,ecalvovi/AliRoot,miranov25/AliRoot,ALICEHLT/AliRoot,mkrzewic/AliRoot,mkrzewic/AliRoot,shahor02/AliRoot,miranov25/AliRoot,ALICEHLT/AliRoot,shahor02/AliRoot,ALICEHLT/AliRoot,miranov25/AliRoot,mkrzewic/AliRoot,alisw/AliRoot,sebaleh/AliRoot,sebaleh/AliRoot,sebaleh/AliRoot,ecalvovi/AliRoot,coppedis/AliRoot,coppedis/AliRoot,miranov25/AliRoot,coppedis/AliRoot,miranov25/AliRoot,coppedis/AliRoot,sebaleh/AliRoot,mkrzewic/AliRoot,ecalvovi/AliRoot,mkrzewic/AliRoot,ecalvovi/AliRoot,miranov25/AliRoot