Added jquery.js and bootstrap.js tags to navbar and navbar-fixed top
Changed nav-header to dropdown-header in navbar navbar-fixed-top and navbar-static-top as mentioned in Docs
Added url paths to navbar navbar-static-top and navbar-fixed-top
Merge pull request #42 from huyouare/navbar-paths

Paths to navbar, navbar-fixed-top and navbar-static-top fixed in the navbar.