Last hotfix before moving to a more normal update process.
-Fixed the save system for Linux systems.
Balance changes:
-Structure recycling values are now adjusted, giving more scrap back.
-The values for enemy robots to drop scrap have been doubled (this especially affects robots between waves during tower construction).
-Adjusted drone behavior to prevent "suicidal" behavior by causing them to disconnect from the power grid.
-General adjustments to collisions between towers that the player can build.
-Fixed a save error that caused the level to load incorrectly.
-Updated the sound engine for improved performance.
-Added all PS controller icons for gameplay.