contributors.txt:

Delete some leading spaces infront of arabic contributors.
Duch translation team is the contact point, but the contributor is Bram Duvigneau
Add second Norwegian contributor.

contributors.txt

@@ -59,11 +59,11 @@ Optelec B.V.
 Gustavo Tavares Dantas
 Roland Engelsma
 Wong Cameron
-        Fatma Mehanna
-    Shaimaa Ibrahim
-    Christie Abdallah
-    Rafaat Alzatawi
-    Wael Zakareya
+Fatma Mehanna
+Shaimaa Ibrahim
+Christie Abdallah
+Rafaat Alzatawi
+Wael Zakareya
 Natalia Hedlund
 Rynhardt Kruger
 Petra Lásková
@@ -85,7 +85,6 @@ vrutti vyas
 Niko Carpenter
 adikushnir@gmail.com
 Bram Duvigneau
-Dutch translation team
 Çağrı Doğan
 beqa
 Iryna Chakir
@@ -101,3 +100,5 @@ Ondrej Rosík
 Sebastian Kruber
 Dinakar T.D.
 David Hole
+Bjørnar Seppola
+