fixed anonymous access to skill preview page.
added add/register button
added few back buttons,
some minor fixes and design to preview skill page
fixed the problem with not-confirmed users
https://github.com/staafl/team-azure-dragon/issues/7
https://github.com/staafl/team-azure-dragon/issues/13
Merge branch 'master' of https://github.com/staafl/team-azure-dragon