EDIT

ref #5458 Fix potential NPE

ref #5458 Fix initial opening of settings window

ref #5458 Layout for settings windows

ref #5458 Split settings window into two

• one for distribution/taxonomy settings and one for other setting

ref #5458 Center detail window

ref #5458 Redesign navigation architecture

• after login the user will be redirected directly to the table view and the settings dialog will be opened -made settings window implement ClickListener and ValueChangeListener
• fixed possible NPEs due to redesign

ref #5458 Update selected distribution status after selection

ref #5458 Replace term dropdown with popup window for performance

ref #5458 Add toggle button for abbreviations to settings menu

• extract constants for session attributes

Trim Code + add serial version uid