Renamed btn-pseudo-states mixin to btn-variant for consistency

less/buttons.less

@@ -54,26 +54,26 @@
 // --------------------------------------------------
 
 .btn-default {
-  .btn-pseudo-states(@btn-default-color; @btn-default-bg; @btn-default-border);
+  .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
 }
 .btn-primary {
-  .btn-pseudo-states(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
+  .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
 }
 // Warning appears as orange
 .btn-warning {
-  .btn-pseudo-states(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
+  .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
 }
 // Danger and error appear as red
 .btn-danger {
-  .btn-pseudo-states(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
+  .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
 }
 // Success appears as green
 .btn-success {
-  .btn-pseudo-states(@btn-success-color; @btn-success-bg; @btn-success-border);
+  .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
 }
 // Info appears as blue-green
 .btn-info {
-  .btn-pseudo-states(@btn-info-color; @btn-info-bg; @btn-info-border);
+  .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
 }
 
 

less/mixins.less

@@ -362,11 +362,11 @@
   }
 }
 
-// Button pseudo states
+// Button variants
 // -------------------------
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
-.btn-pseudo-states(@color; @background; @border) {
+.button-variant(@color; @background; @border) {
   color: @color;
   background-color: @background;
   border-color: @border;