Add InterfaceSchemaManager::closeConnection()
Add "abstract" attribute on document model

Add Publishable::getTitle()

Add Presentation\Interfaces\Page::getTitle()
Add Presentation\Interfaces\Page::getSection()

Add Presentation\Interfaces\Section::getTitle()
Add Presentation\Interfaces\Section::getSectionPath()
Fix Change to Rbs namespace refactoring
Add section property on website page document
Rename navigationTitle to title property on website page document
Merge pull request #173 from inthause/documents

Update Publishable Interface, Add abstract property on document model