BaseRow -> Row
BaseSection -> Section
Document -> DocumentSection
DocumentView -> Document
Fix missing Modernizr dependency.
NewGridFile can extend NewDocument directly.
Build genghis.*
Minimize number of API requests when navigating.

Previously, all parents would be fetched when navigating in a child section. I.e. if the user changed documents, all servers, databases and collections would also be updated. With this change, servers, databases and collections will only be updated when necessary.