Re-factoring of Occurrences
CMS-4059 Remove Site Template - New input type ContentTypeFilter
CMS-4058 Remove Site Template - New input type PageController

Show stored value when wizard opens for editing
CMS-4058 Remove Site Template - New input type PageController

Fix for Dropdown: it doesn't show input when options list is hidden and nothing has been selects. It shows empty SelectedOptionView.
Merge pull request #952 from enonic/CMS-4059

Cms 4059