Latest version Version : 4.1.3
There is a bug in /framework/dist/css/admin/visual-composer.css 
@font-face {
font-family: "fontawesome";
src: url("../../../fonts/font_awesome/fontawesome-webfont.eot?v=4.5.0");
src: url("../../../fonts/font_awesome/fontawesome-webfont.eot?#iefix&v=4.5.0") format("embedded- opentype"), url("../../../fonts/font_awesome/fontawesome-webfont.woff?v=4.5.0") format("woff"), url("../../../fonts/font_awesome/fontawesome-webfont.ttf?v=4.5.0") format("truetype"), url("../../../fonts/font_awesome/fontawesome-webfont.svg?#fontawesome&v=4.5.0") format("svg");
font-weight: normal;
font-style: normal
}
It’s good to write marketing sentences like “We use latest version of Font Awesome” but it’s also a good practice to test theme before release, for old references of old font names or look at the logs.
Hope to see this fixed soon, every release (update) break the manually made changes, and copying the 4.5.0 version of font in the folder is double use, since the “new” font are already there.
Thanks, and have a great day.