update karma-requirejs version

$ npm install
npm http GET https://registry.npmjs.org/karma-mocha
npm http GET https://registry.npmjs.org/karma-safari-launcher
npm http GET https://registry.npmjs.org/karma-ng-scenario
npm http 304 https://registry.npmjs.org/karma-safari-launcher
npm http 304 https://registry.npmjs.org/karma-ng-scenario
npm http 304 https://registry.npmjs.org/karma-mocha

> yom-angularjs-testing-article@0.0.0 postinstall /Users/mac/scratching_your_own_itch/AngularJS-Testing-Article
> bower install

npm ERR! peerinvalid The package karma-requirejs does not satisfy its siblings' peerDependencies requirements!
npm ERR! peerinvalid Peer karma@0.10.10 wants karma-requirejs@~0.2.0

npm ERR! System Darwin 13.1.0
npm ERR! command "/usr/local/Cellar/node/0.10.26/bin/node" "/usr/local/bin/npm" "install"
npm ERR! cwd /Users/mac/scratching_your_own_itch/AngularJS-Testing-Article
npm ERR! node -v v0.10.26
npm ERR! npm -v 1.4.3
npm ERR! code EPEERINVALID
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/mac/scratching_your_own_itch/AngularJS-Testing-Article/npm-debug.log
npm ERR! not ok code 0