Use new user scripts config and gui

The user scripts configuration can now be configured from the "User Scripts" entry under the cog
icon. It allows the creation of multiple configuration presets to be applied to hosts, networks and
interfaces.

scripts/callbacks/interface/flow.lua

@@ -71,7 +71,7 @@ end
 local function skip_disabled_flow_scripts(user_script)
    -- NOTE: this filter can only be applied here because there is no
    -- concept of entity_value for a flow.
-   return(user_scripts.getConfiguration(user_script).enabled)
+   return(user_scripts.getTargetHookConfig(flows_config, user_script).enabled)
 end
 
 -- The function below is called once (#pragma once)
@@ -79,6 +79,9 @@ function setup()
    if do_trace then print("flow.lua:setup() called\n") end
 
    local ifid = interface.getId()
+   local configsets = user_scripts.getConfigsets()
+
+   flows_config = user_scripts.getTargetConfig(configsets, "flow", getInterfaceName(ifid))
 
    -- Load the disabled hosts status
    hosts_disabled_status = alerts_api.getAllHostsDisabledStatusBitmaps(ifid)
@@ -118,9 +121,6 @@ function setup()
          end
       end
    end
-
-   local configsets = user_scripts.getConfigsets()
-   flows_config = user_scripts.getTargetConfig(configsets, "flow", getInterfaceName(ifid))
 end
 
 -- #################################################################
@@ -340,8 +340,7 @@ local function call_modules(deadline, l4_proto, master_id, app_id, mod_fn, updat
 	 print(string.format("%s() [check: %s]: %s\n", mod_fn, mod_key, shortFlowLabel(info)))
       end
 
-      local conf = user_scripts.getConfiguration(script)
-
+      local conf = user_scripts.getTargetHookConfig(flows_config, script)
       hook_fn(now, conf.script_conf)
 
       ::continue::