[NonGNU ELPA] Julia-Mode version 0.4

[ELPA update]

Version 0.4 of package Julia-Mode has just been released in NonGNU ELPA.
You can now find it in M-x package-list RET.

Julia-Mode describes itself as:
  Major mode for editing Julia source code

More at https://elpa.nongnu.org/nongnu/julia-mode.html