For anyone that wants to add fontawesome icons here is a simple css solution.
.b-header a::before{
padding-right: 8px;
font-family: "FontAwesome"
}
.b-header .nav-pills > li:nth-child(1) a::before{
content: "\f015";
}
.b-header .nav-pills > li:nth-child(2) a::before{
content: "\f086";
}
.b-header .nav-pills > li:nth-child(3) a::before{
content: "\f1ea";
}
.b-header .nav-pills > li:nth-child(4) a::before{
content: "\f005";
}
.b-header .nav-pills > li:nth-child(5) a::before{
content: "\f187";
}
.b-header .nav-pills > li:nth-child(6) a::before{
content: "\f05a";
}
.b-header .nav-pills > li:nth-child(7) a::before{
content: "\f0e0";
}