diff -r 1f9853178fcd -r 366509ae2f37 server/bo_client/app/models/document.js
--- a/server/bo_client/app/models/document.js	Mon Apr 25 14:05:17 2016 +0200
+++ b/server/bo_client/app/models/document.js	Sat May 07 10:06:26 2016 +0200
@@ -4,90 +4,90 @@
 import * as utils from 'corpus-common-addon/utils/utils';
 
 export default DS.Model.extend({
-  //id: attr('string'),
-  uri: DS.attr('string'),
+    //id: attr('string'),
+    uri: DS.attr('string'),
+
+    title: DS.attr('string'),
+
+    language: DS.attr('string'),
 
-  title: DS.attr('string'),
+    publishers: DS.attr({defaultValue: function() { return []; }}),
+
+    contributors: DS.attr({defaultValue: function() { return []; }}),
 
-  language: DS.attr('string'),
+    subjects: DS.attr({defaultValue: function() { return []; }}),
+
+    mediaArray: DS.attr({defaultValue: function() { return []; }}),
 
-  publishers: DS.attr({defaultValue: function() { return []; }}),
-
-  contributors: DS.attr({defaultValue: function() { return []; }}),
-
-  subjects: DS.attr({defaultValue: function() { return []; }}),
-
-  mediaArray: DS.attr({defaultValue: function() { return []; }}),
+    mediaList: Ember.computed('mediaArray', function() {
+        var res = [];
+        var mp3 = null;
+        _.forEach(this.get('mediaArray'), function(m) {
+            if(m.format === 'audio/mpeg') {
+                mp3 = m;
+            } else if (m.format.startsWith('audio/')) {
+                res.push(m);
+            }
+        });
+        if(mp3) {
+            res.unshift(mp3);
+        }
+        return res;
+    }),
 
-  mediaList: Ember.computed('mediaArray', function() {
-    var res = [];
-    var mp3 = null;
-    _.forEach(this.get('mediaArray'), function(m) {
-      if(m.format === 'audio/mpeg') {
-        mp3 = m;
-      } else if (m.format.startsWith('audio/')) {
-        res.push(m);
-      }
-    });
-    if(mp3) {
-      res.unshift(mp3);
-    }
-    return res;
-  }),
+    addContributor: function(contrib_def) {
+        var contributors = this.get('contributors');
+        if(_.findIndex(contributors, function(c) { return _.isEqual(c, contrib_def);}) < 0) {
+            contributors.pushObject(contrib_def);
+        }
+        // must set dirty
+        this.set('contributors', _.clone(this.get('contributors')));
+    },
+    removeContributor: function(contrib_def) {
+        var contributors = this.get('contributors');
+        var index = _.findIndex(contributors, function(c) { return _.isEqual(c, contrib_def);});
+        if(index >= 0) {
+            contributors.removeAt(index);
+        }
+        //must set dirty
+        this.set('contributors', _.clone(this.get('contributors')));
+    },
+    saveContributor: function(contrib_def, index) {
+        var contributors = this.get('contributors');
+        if(index < 0 || index >= contributors.length) {
+            return;
+        }
 
-  addContributor: function(contrib_def) {
-    var contributors = this.get('contributors');
-    if(_.findIndex(contributors, function(c) { return _.isEqual(c, contrib_def);}) < 0) {
-      contributors.pushObject(contrib_def);
-    }
-    // must set dirty
-    this.set('contributors', _.clone(this.get('contributors')));
-  },
-  removeContributor: function(contrib_def) {
-    var contributors = this.get('contributors');
-    var index = _.findIndex(contributors, function(c) { return _.isEqual(c, contrib_def);});
-    if(index >= 0) {
-      contributors.removeAt(index);
-    }
-    //must set dirty
-    this.set('contributors', _.clone(this.get('contributors')));
-  },
-  saveContributor: function(contrib_def, index) {
-    var contributors = this.get('contributors');
-    if(index < 0 || index >= contributors.length) {
-      return;
+        var contrib_def_map = {name: contrib_def.name||'', url: contrib_def.url||'', role: contrib_def.role||''};
+        var existingContribs = _.filter(contributors, function(c, i) {
+            return (i!==index && _.isEqual({name: c.name||'', url: c.url||'', role: c.role||''}, contrib_def_map));
+        });
+        if(existingContribs.length > 0) {
+            // contributor exists, remove contributor @ index
+            contributors.removeAt(index);
+        }
+        else {
+            contributors[index] = contrib_def;
+        }
+        //must set dirty only if needed
+        this.set('contributors', _.clone(this.get('contributors')));
+    },
+    removeSubject: function(subject_def) {
+        var subjects = this.get('subjects');
+        var index = _.findIndex(subjects, function(s) { return _.isEqual(s, subject_def);});
+        if(index >= 0) {
+            subjects.removeAt(index);
+        }
+        //must set dirty
+        this.set('subjects', _.clone(subjects));
+    },
+    addSubject: function(subject_def) {
+        var subjects = this.get('subjects');
+        if(_.findIndex(subjects, function(s) { return _.isEqual(s, subject_def) || _.isEqual(s, utils.switchArkBnfLink(subject_def));}) < 0) {
+            subjects.pushObject(subject_def);
+        }
+        // must set dirty
+        this.set('subjects', _.clone(subjects));
     }
 
-    var contrib_def_map = {name: contrib_def.name||"", url: contrib_def.url||"", role: contrib_def.role||""};
-    var existingContribs = _.filter(contributors, function(c, i) {
-      return (i!==index && _.isEqual({name: c.name||"", url: c.url||"", role: c.role||""}, contrib_def_map));
-    });
-    if(existingContribs.length > 0) {
-      // contributor exists, remove contributor @ index
-      contributors.removeAt(index);
-    }
-    else {
-      contributors[index] = contrib_def;
-    }
-    //must set dirty only if needed
-    this.set('contributors', _.clone(this.get('contributors')));
-  },
-  removeSubject: function(subject_def) {
-    var subjects = this.get('subjects');
-    var index = _.findIndex(subjects, function(s) { return _.isEqual(s, subject_def);});
-    if(index >= 0) {
-      subjects.removeAt(index);
-    }
-    //must set dirty
-    this.set('subjects', _.clone(subjects));
-  },
-  addSubject: function(subject_def) {
-    var subjects = this.get('subjects');
-    if(_.findIndex(subjects, function(s) { return _.isEqual(s, subject_def) || _.isEqual(s, utils.switchArkBnfLink(subject_def));}) < 0) {
-      subjects.pushObject(subject_def);
-    }
-    // must set dirty
-    this.set('subjects', _.clone(subjects));
-  },
-
 });