Renaming - db views respect a naming convention
Moving vaadin table views to components

Because multiple components are now roots of the tree of classes from
this package.
Sadly, we have to create GUI wrappers for db views
Adding a specific function to table db views
Refining interfaces for db view table framework
Implementing a layout that transitions table views

Transition is made when the user selects a row in a table (clicks on
it).
Corrections made to respect previous commits
Some improvements.