Translation updates

Changes were contributed by:
  [bg] dydbg (closes #123)
  [fr] Micks29 (closes #133)
  [nb] LordManhattan
  [ru] gaich (closes #128)
  [th] DobaKung (closes #129)
  [th] asanan1 (closes #129)
  [tr] thenorth (closes #136)