Merge pull request #42 from Coornail/fix/384-broken-selenium-tests

Disable every browser except Firefox and Chrome
Merge pull request #43 from Coornail/fix/384-broken-selenium-tests

Fix/384 broken selenium tests
Merge pull request #44 from Coornail/fix/384-broken-selenium-tests

Add 10 second implicit wait for elements to show up
Merge pull request #45 from Coornail/fix/384-broken-selenium-tests

Simplify checking for Access Denied message
feature/456: new content type for WH features

* a new content type has been added through the features module.
* a template file has been writen for the new node type: walkhub-key-feature
feature/456: corrections on the code.
Merge pull request #46 from csanyiarpad/feature/456-walkhub-features-content-type

feature/456: new content type for WH features
Remove unnecessary sleep() after clicking on the "Next" button
Add wikipedia test walkthrough
Add Nextide contact form test walkthrough
Add whitehouse petition test walkthrough