Standard deviation is 0

close#9
Automatic-defined cell types conflict solved

fix#1
Scenario Editor: Navigation by Tab and Enter

- Navigation by Tab
- Navigation by Enter
- Navigation Order: column first
- Inital focus to the first control

close#8
Scenario Editor: Label "save" for submit button

close#10
Ribbon menu

Scenario editor: Editing cell types should not be allowed in this
operation mode

close#11
Scenario Sidebar shows a message why it is empty

close#12
Scenario editor warns on missings informations

close#15
close#18
Deviation only editable by referenced value

close#13
Shared TaskPane

... for cell definitions, scenarios and findings.

close#28
close27
Merge pull request #29 from jonasscheurich/master

Incorporate Jonas's fixes