[fix] Using standard close button

Fix for issue #85
Merge pull request #90 from alex-deaconu/master

[fix] Using standard close button
[fix] Using ng-cloak to hide settings
Merge pull request #91 from alex-deaconu/fix/ng-cloak

Fix/ng cloak
[fix] Hide Help button until help page is ready
Merge pull request #92 from alex-deaconu/master

[fix] Hide Help button until help page is ready