Merge branch 'develop' into feat/short

freqtrade/templates/base_config.json.j2

@@ -10,8 +10,7 @@
     "stake_currency": "{{ stake_currency }}",
     "stake_amount": {{ stake_amount }},
     "tradable_balance_ratio": 0.99,
-    "fiat_display_currency": "{{ fiat_display_currency }}",
-    "timeframe": "{{ timeframe }}",
+    "fiat_display_currency": "{{ fiat_display_currency }}",{{ ('\n    "timeframe": "' + timeframe + '",') if timeframe else '' }}
     "dry_run": {{ dry_run | lower }},
     "cancel_open_orders_on_exit": false,
     "unfilledtimeout": {

freqtrade/templates/subtemplates/exchange_okex.j2

@@ -0,0 +1,12 @@
+"exchange": {
+    "name": "{{ exchange_name | lower }}",
+    "key": "{{ exchange_key }}",
+    "secret": "{{ exchange_secret }}",
+    "password": "{{ exchange_key_password }}",
+    "ccxt_config": {},
+    "ccxt_async_config": {},
+    "pair_whitelist": [
+    ],
+    "pair_blacklist": [
+    ]
+}