XtreemFS support for Desktop Services .DS_Store files

sh-3.2$ pwd
/Users/gjp22/Developer/xtreemfs_demo/copied then renamed by Finder, a folder with .DS_Store for Desktop Services
sh-3.2$ xattr -l .DS_Store
xtreemfs.file_id: 05bfd0de-c08c-4dc2-8ec3-29d320948d2e:22791
xtreemfs.read_only: false
xtreemfs.object_type: 1
xtreemfs.owner: gjp22
xtreemfs.url: pbrpc://demo.xtreemfs.org:32638/demo/copied then renamed by Finder, a folder with .DS_Store for Desktop Services/.DS_Store
xtreemfs.group: staff
com.apple.FinderInfo:
xtreemfs.locations: {"replicas":[{"osds":[{"address":"demo.xtreemfs.org:32640","vivaldi_coordinates":"000000000000000000000000000000000000000000000000","uuid":"demo.xtreemfs.org-OSD"}],"striping-policy":{"pattern":"STRIPING_POLICY_RAID0","width":1,"size":128},"replication-flags":0}],"update-policy":"","version":0}
sh-3.2$ clear

sh-3.2$ ls -h@al .
total 512
drwxr-xr-x@ 1 gjp22  staff     0B 13 May 10:13 .
	xtreemfs.file_id	  42B
	xtreemfs.object_type	   1B
	xtreemfs.owner	   5B
	xtreemfs.url	 112B
	xtreemfs.group	   5B
drwxrwxrwx@ 1 65534  65534     0B 13 May 10:14 ..
	xtreemfs.file_id	  38B
	xtreemfs.osel_policy	   9B
	xtreemfs.num_dirs	   1B
	xtreemfs.owner	   8B
	xtreemfs.group	   8B
	xtreemfs.default_rp	  65B
	xtreemfs.default_sp	  56B
	xtreemfs.free_space	  11B
	xtreemfs.used_space	   9B
	xtreemfs.object_type	   1B
	xtreemfs.url	  36B
	xtreemfs.snapshots_enabled	   5B
	xtreemfs.num_files	   1B
	xtreemfs.usable_osds	  47B
	xtreemfs.ac_policy_id	   1B
	com.apple.FinderInfo	  32B
-rw-r--r--@ 1 gjp22  staff   6.0K 13 May 10:13 .DS_Store
	xtreemfs.file_id	  42B
	xtreemfs.read_only	   5B
	xtreemfs.object_type	   1B
	xtreemfs.owner	   5B
	xtreemfs.url	 122B
	xtreemfs.group	   5B
	com.apple.FinderInfo	   8B
	xtreemfs.locations	 295B
-rw-r--r--@ 1 gjp22  staff   3.5K 12 May 06:24 product of Apple TextEdit.docx
	xtreemfs.file_id	  42B
	xtreemfs.read_only	   5B
	xtreemfs.object_type	   1B
	xtreemfs.owner	   5B
	xtreemfs.url	 143B
	xtreemfs.group	   5B
	xtreemfs.locations	 295B
-rw-r--r--@ 1 gjp22  staff   212K 12 May 07:18 product of Microsoft Office Word 2011 14.2.2 (120421).docx
	xtreemfs.file_id	  42B
	xtreemfs.read_only	   5B
	xtreemfs.object_type	   1B
	xtreemfs.owner	   5B
	xtreemfs.url	 171B
	xtreemfs.group	   5B
	com.apple.FinderInfo	   8B
	xtreemfs.locations	 295B
-rw-r--r--@ 1 gjp22  staff    20K 12 May 06:38 product of Microsoft Office Word 2011.docx
	xtreemfs.file_id	  42B
	com.latenitesoft.clusters.signature	  53B
	xtreemfs.read_only	   5B
	xtreemfs.object_type	   1B
	xtreemfs.owner	   5B
	xtreemfs.url	 155B
	xtreemfs.group	   5B
	com.apple.FinderInfo	   8B
	xtreemfs.locations	 295B
-rw-r--r--@ 1 gjp22  staff   3.3K 12 May 06:40 product of NeoOffice 3.2.1 Patch 5.docx
	xtreemfs.file_id	  42B
	xtreemfs.read_only	   5B
	xtreemfs.object_type	   1B
	xtreemfs.owner	   5B
	xtreemfs.url	 152B
	xtreemfs.group	   5B
	com.apple.FinderInfo	   4B
	xtreemfs.locations	 295B
sh-3.2$