Fix server.sh
Create Multiple Direct/Submit Transfer
Create RenameTask
Fix Multiple new commands
Fix file handling in Unix session from GUI
fix envr66
Add BusinessRequest and default class ExecBusinessTask
fix changes
Merge pull request #59 from fredericBregier/2.4

2.4.15 update
Merge pull request #60 from waarp/2.4

2.4.15 new version