Further reduce usage of global

Bargraph moves to common settings
"Global" config moves out of wtf and into cfg for the few things that need it
We can probably eliminate a global config used across things if we want to

cfg/config_files.go

@@ -17,6 +17,8 @@ const ConfigDirV1 = "~/.wtf/"
 // ConfigDirV2 defines the path to the second version of the configuration. Use this.
 const ConfigDirV2 = "~/.config/wtf/"
 
+var Config *config.Config
+
 /* -------------------- Config Migration -------------------- */
 
 // MigrateOldConfig copies any existing configuration from the old location
@@ -130,6 +132,7 @@ func LoadConfigFile(filePath string) *config.Config {
 		fmt.Printf(" %s\n", err.Error())
 		os.Exit(1)
 	}
+	Config = cfg
 
 	return cfg
 }