rename hide to collapse, closes #567

(cherry picked from commit fb7e4b644cad5e4b96041d113fd5bef269b2aded)

src/app/partials/dashboard.html

@@ -29,7 +29,7 @@
 
             <div style="text-align:center" class="row-open" ng-show="!row.collapse">
               <div ng-show="row.collapsable" class='row-tab bgPrimary' ng-click="toggle_row(row)">
-                <i bs-tooltip="'Hide row'" data-placement="right"  class="icon-caret-right" ></i>
+                <i bs-tooltip="'Collapse row'" data-placement="right"  class="icon-caret-right" ></i>
                 <br>
               </div>
               <div bs-modal="'app/partials/roweditor.html'" class='row-tab bgWarning' ng-show="row.editable">