Outerra 2015 retrospective

Wanted to do a small recap of the main updates on the Outerra engine for the year 2015. Ended up with this. Are not listed here a hundred of small improvements and fix, and of course the really nice mods created by the community. Full changelog here: Music: Symphony No. 3 in C minor , Organ II. Allegro moderato - Saint-Saens - Moscow Symphony Orchestra. There is still a long road ahead, but the best part of a trip is to look behind and see how far aw