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/common_settings.go

@@ -56,6 +56,7 @@ type Common struct {
 	Enabled         bool
 	RefreshInterval int
 	Title           string
+	Config          *config.Config
 
 	focusChar int
 }
@@ -93,6 +94,7 @@ func NewCommonSettingsFromModule(name string, moduleConfig *config.Config, globa
 		Enabled:         moduleConfig.UBool("enabled", false),
 		RefreshInterval: moduleConfig.UInt("refreshInterval", 300),
 		Title:           moduleConfig.UString("title", name),
+		Config:          moduleConfig,
 
 		focusChar: moduleConfig.UInt("focusChar", -1),
 	}

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
 }