Adding configuration options to change spacing between icons and labels inside the buttons in the bar. (#30)

* Branch protection check.

* Move button spacing config into the Configuration section instead of Theming.

* Partially Resolves #26 - Added the ability to configure outer spacing on the bar.

* Renamed all class names for buttons so they can be styled with margins.

* Added configurable spacing to buttons.

* Fixed styling for network module when using wifi.

* Fixed ghost margins that occur when labels are disabled in the bar buttons.

* Change the default page of the settings dialog to configuration.

scss/style/bar/media.scss

@@ -1,11 +1,12 @@
 @import "../colors";
 @import '../../variables';
 
-.media {
+.bar-button-label.media {
   color: if($bar-buttons-monochrome, $bar-buttons-text, $bar-buttons-media-text);
+  margin-left: $bar-buttons-media-spacing;
 }
 
-.bar-media_icon {
+.bar-button-icon.media {
   font-size: 1.2em;
   color: if($bar-buttons-monochrome, $bar-buttons-icon, $bar-buttons-media-icon);
 }