fix loading angular from npm & upgrade to angular 1.3

fix #17
Merge pull request #18 from mathroc/fix/new-npm-angular-modules

fix loading angular from npm & upgrade to angular 1.3
Don't make Behat start the php server
Merge pull request #19 from mathroc/feature/start-php-server-before-behat

Don't make Behat start the php server
Disable xdebug on travis to speed up builds

see https://twitter.com/AdrienBrault/status/525695269979975680
Merge pull request #20 from mathroc/feature/faster-travis

Disable xdebug on travis to speed up builds
Add `my` env for developper specific configuration