Fixes case of some icons

Gulpfile.js

@@ -2,9 +2,21 @@ var gulp = require('gulp');
 var iconfont = require('gulp-iconfont');
 var iconfontCss = require('gulp-iconfont-css');
 
+String.prototype.toTitleCase = function() {
+  return this.replace(/\w\S*/g, function(txt){ return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase(); });
+};
+
 String.prototype.toCamelCase = function() {
-  var str = this.replace('--', '');
-  return str.replace(/^([A-Z])|\s(\w)/g, function(match, p1, p2, offset) {
+  var str = this.split('--');
+  var result;
+
+  if (str && str.length > 1) {
+    result = str[0] + str[1].toTitleCase();
+  } else {
+    result = this;
+  }
+
+  return result.replace(/^([A-Z])|\s(\w)/g, function(match, p1, p2, offset) {
     if (p2) return p2.toUpperCase();
     return p1.toLowerCase();
   });