IDEUI-206 Project Wizard: improve Codenvy Tutorial and Codenvy Extension
page, use the main page style, add missing field indicators 

Task-Url: https://jira.codenvycorp.com/browse/IDEUI-206
Merge pull request #2 from sunix/projectWizard

IDEUI-206 Project Wizard: improve Codenvy Tutorial and Codenvy Extension