Bump to 6.0.43, use go generate

Also moved fetching of JSON information to Go for cross-OS usage.

fields/6.0.43/DpiApp.json

@@ -0,0 +1,10 @@
+{
+    "name": ".{1,128}",
+    "enabled": "false|true",
+    "apps": [ "[0-9]{1,8}" ],
+    "cats": [ "[0-9]{1,3}" ],
+    "blocked": "false|true",
+    "log": "false|true",
+    "qos_rate_max_up": "-1|[2-9]|[1-9][0-9]{1,4}|100000|10[0-1][0-9]{3}|102[0-3][0-9]{2}|102400",
+    "qos_rate_max_down": "-1|[2-9]|[1-9][0-9]{1,4}|100000|10[0-1][0-9]{3}|102[0-3][0-9]{2}|102400"
+}