Merge pull request +8617 from c9/pull/core/124

Added column.getHTML method to acetree

node_modules/ace_tree/lib/ace_tree/layer/cells.js

@@ -109,9 +109,9 @@ var Cells = function(parentEl) {
         }
         if (columns) {
             for (var col = columns[0].type == "tree" ? 1 : 0; col < columns.length; col++) {
-                html.push("</span>" 
-                    + this.columnNode(datarow, columns[col], row)
-                    + escapeHTML(columns[col].getText(datarow) + ""));
+                var column = columns[col];
+                var rowStr = (column.getHTML) ? column.getHTML(datarow) : escapeHTML(column.getText(datarow) + "");
+                html.push("</span>" + this.columnNode(datarow, column, row) + rowStr);
             }
             html.push("</span>");
         }