test(login_page): adding ic-ajax

- adding ic-ajax to wrap out ajax requests in src code
- adding ic-ajax default fixtures so we can mock api calls
- testing login in and successful routing
- adding ic-ajax to bower
test(predefs): extra predefs for ajax and ic
test(karma): updating karma.conf.js
Merge pull request #23 from madole/master

PR: test(login_page): adding ic-ajax