Add standard icon spacing classes

* Sets a standard distance for all icon spacing
* Uses em so that it scales proportionally to font size

Author: sman591

dist/css/csh-material-bootstrap.css

@@ -3,6 +3,7 @@
 // -----------------------------------------------------
 @import "variables";
 @import "../bower_components/bootstrap-sass/assets/stylesheets/bootstrap";
+@import "icons";
 
 $web-font-path: "https://fonts.googleapis.com/css?family=Roboto:300,400,500,700" !default;
 @import url($web-font-path);

dist/css/csh-material-bootstrap.css.map

@@ -0,0 +1,7 @@
+.icon-space-r {
+  margin-right: 0.4em;
+}
+
+.icon-space-l {
+  margin-left: 0.4em;
+}