fixed angular-cli version to 1.0.0-beta.21 otherwise the tests weren't running properly:
fixed angular-cli version to 1.0.0-beta.21 otherwise the tests weren't running properly:

```
> npm test

> HAppi-mobile@ test D:\tangu\Documents\UCL\cours\SINF2MS\Q4\Thesis\HAppi
> ng test --code-coverage

keywords if/then/else require v5 option

WARNING in asset size limit: The following asset(s) exceed the recommended size limit (250 kB).
This can impact web performance.
Assets:
  0.bundle.js (2.49 MB)
  test (4.08 MB)
  src/tests/test.ts (9.79 MB)

WARNING in entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (250 kB). This can impact web performance.
Entrypoints:
  test (4.08 MB)
      test

  src/tests/test.ts (9.79 MB)
      src/tests/test.ts

ERROR in ./src/pages/detailedoccurrence/detailedoccurrence.ts
Module not found: Error: Can't resolve 'detailedoccurrence.html' in 'D:\tangu\Documents\UCL\cours\SINF2MS\Q4\Thesis\HAppi\src\pages\detailedoccurrence'
 @ ./src/pages/detailedoccurrence/detailedoccurrence.ts 9:5968-6002
 @ ./src/pages/home/home.ts
 @ ./src/pages/tabs/tabs.ts
 @ ./src/app/app.component.ts
 @ ./src/tests/app/app.spec.ts
 @ ./src/tests \.spec\.ts
 @ ./src/tests/test.ts

ERROR in ./src/pages/home/home.ts
Module not found: Error: Can't resolve 'home.html' in 'D:\tangu\Documents\UCL\cours\SINF2MS\Q4\Thesis\HAppi\src\pages\home'
 @ ./src/pages/home/home.ts 9:9177-9197
 @ ./src/pages/tabs/tabs.ts
 @ ./src/app/app.component.ts
 @ ./src/tests/app/app.spec.ts
 @ ./src/tests \.spec\.ts
 @ ./src/tests/test.ts

ERROR in ./src/pages/statistic/statistic.ts
Module not found: Error: Can't resolve 'statistic.html' in 'D:\tangu\Documents\UCL\cours\SINF2MS\Q4\Thesis\HAppi\src\pages\statistic'
 @ ./src/pages/statistic/statistic.ts 9:5548-5573
 @ ./src/pages/tabs/tabs.ts
 @ ./src/app/app.component.ts
 @ ./src/tests/app/app.spec.ts
 @ ./src/tests \.spec\.ts
 @ ./src/tests/test.ts

ERROR in ./src/pages/occurrence/occurrence.ts
Module not found: Error: Can't resolve 'occurrence.html' in 'D:\tangu\Documents\UCL\cours\SINF2MS\Q4\Thesis\HAppi\src\pages\occurrence'
 @ ./src/pages/occurrence/occurrence.ts 9:2951-2977
 @ ./src/pages/tabs/tabs.ts
 @ ./src/app/app.component.ts
 @ ./src/tests/app/app.spec.ts
 @ ./src/tests \.spec\.ts
 @ ./src/tests/test.ts

ERROR in ./src/pages/tabs/tabs.ts
Module not found: Error: Can't resolve 'tabs.html' in 'D:\tangu\Documents\UCL\cours\SINF2MS\Q4\Thesis\HAppi\src\pages\tabs'
 @ ./src/pages/tabs/tabs.ts 9:3176-3196
 @ ./src/app/app.component.ts
 @ ./src/tests/app/app.spec.ts
 @ ./src/tests \.spec\.ts
 @ ./src/tests/test.ts
26 12 2016 13:36:00.648:WARN [karma]: No captured browser, open http://localhost:9876/

START:
Chrome 55.0.2883 (Windows 10 0.0.0) ERROR
  {
    "code": "MODULE_NOT_FOUND"
  }
Chrome 55.0.2883 (Windows 10 0.0.0) ERROR
  {
    "code": "MODULE_NOT_FOUND"
  }

Finished in 0.776 secs / 0 secs

SUMMARY:
√ 0 tests completed
```

GeoHealth/HAppi_mobile,GeoHealth/HAppi_mobile,GeoHealth/HAppi_mobile