fixes asset category field as link type and read only
diff --git a/erpnext/assets/doctype/asset/asset.json b/erpnext/assets/doctype/asset/asset.json
index 5296e22..6b3c3cc73 100644
--- a/erpnext/assets/doctype/asset/asset.json
+++ b/erpnext/assets/doctype/asset/asset.json
@@ -1,5 +1,6 @@
 {
  "allow_copy": 0, 
+ "allow_events_in_timeline": 0,
  "allow_guest_to_view": 0, 
  "allow_import": 1, 
  "allow_rename": 1, 
@@ -154,7 +155,7 @@
    "columns": 0, 
    "fetch_from": "item_code.asset_category", 
    "fieldname": "asset_category", 
-   "fieldtype": "Read Only", 
+   "fieldtype": "Link",
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
@@ -165,12 +166,12 @@
    "label": "Asset Category", 
    "length": 0, 
    "no_copy": 0, 
-   "options": "", 
+   "options": "Asset Category",
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
-   "read_only": 0, 
+   "read_only": 1,
    "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -1881,7 +1882,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-08-21 14:44:24.507215", 
+ "modified": "2019-01-15 16:12:48.314196",
  "modified_by": "Administrator", 
  "module": "Assets", 
  "name": "Asset",