build info, .fxml changes

build info set from using JRE 1.7 to 1.8. FXML file updated to no longer
display empty pane when opening with scene builder 2.0.
fixed build bug, console add person

build bug was partially responsible for a lot of the other problems
(mainly fxml ones)
isCorrectlyConfigured is now called first
addHuwelijk en addOngehuwdGezin gefixed