format of log improved
backupData.sh: bug fix in ensureFSAvailability

Wrong implementation of the check aimed at detecting if the destination
fs already exists
(The script thought that the fs was not existing when it existed, and
vice versa)
backupData.sh: Wording of logged data improved
.gitattributes new lines changed

Conventions for new lines changes to UNIX style (LF)
This enables to checkout and edit the files on windows without corrupting them
Merge remote-tracking branch 'origin/master' into exp_backup_remote

Conflicts:
	backupData.sh

merging the latest fixes in the master branch into the experimental branch
(i.e. changes in .gitattributes)