scroll-setting and column-setting tests

Running e2e:test and e2e:test-ng in sequence
Refactored the column-setting directive html
Added all test cases for scroll-setting
Added test cases for column-setting

Separated test files per subcomponent
E2E test improvment

- Use widget-tester's protractor.conf.js
- Use express as static server
- Run test:e2e and test:e2e-ng in sequence
Merge pull request #20 from alex-deaconu/feature/e2e-tests

scroll-setting and column-setting tests
Merge pull request #21 from settinghead/master

E2E test improvment