bower.json

{
  "name": "katuma-web",
  "version": "0.0.1",
  "homepage": "https://github.com/coopdevs/katuma-web",
  "description": "Single page frontend application for Katuma API",
  "main": "index.html",
  "license": "AGPL",
  "ignore": [
    "**/.*",
    "node_modules",
    "bower_components",
    "test",
    "tests"
  ],
  "dependencies": {
    "backbone": "1.1.2",
    "marionette": "1.8.4",
    "requirejs": "2.1.11"
  }
}

main.js

// app/js/main.js
'use_strict';

require.config({
  paths: {
    jquery: 'libs/jquery/src/jquery'
  }
});

require(['jquery'], function(jq){
  console.log(jq.fn.jquery);
});

I use bower, btw

I get

GET http://localhost:8000/app/js/core.js [HTTP/1.1 404 Not Found 10ms]
GET http://localhost:8000/app/js/selector.js [HTTP/1.1 404 Not Found 16ms]
GET http://localhost:8000/app/js/traversing.js [HTTP/1.1 404 Not Found 30ms]
GET http://localhost:8000/app/js/callbacks.js [HTTP/1.1 404 Not Found 24ms]
GET http://localhost:8000/app/js/deferred.js [HTTP/1.1 404 Not Found 43ms]
GET http://localhost:8000/app/js/core/ready.js [HTTP/1.1 404 Not Found 22ms]
...