wikimedia.ee - own zonefile and set external MX

- turn wikimedia.ee into its own zonefile, instead
  of a mere symlink to wikimedia.com, copy wikimedia.com

- set MX's to the ones of veebimajutus.ee
  (dig MX veebimajutus.ee)

- remove tabs and fix aliging while touching it

as requested by Wikimedia Eesti in:

RT: 7943
Change-Id: I7d913a6e8ffe6c3adada1017d7ba949dfc7272f0