Ambiance mod
============
By Kaadmy, for Pixture

Adds directional ambient sounds coming from the correct sources.

Sound license:
    ambiance_birds.ogg: CC0, by syncopika(http://opengameart.org/users/syncopika)
    ambiance_crickets.ogg: CC0, by syncopika(http://opengameart.org/users/syncopika)
Source license: LGPLv2.1
