Project setup and configuration.
* Correct JSON schema.
* Update composer JSON and add lock file.
* Add initial project file and update README task list.
Mark of project tasks
* Mark off two tasks: [x] find top nav element [x] appended .nav and .navbar-nav classes.
* Cross of next tast - set Bootstrap class all list items with child menus.
* Tick off the last two list items for converting Wordpress nav menu attributes to Twitter Bootstrap.