Chunky 1.2.3

    * Added Minecraft 1.8 blocks:
        + Coarse Dirt
        + Prismarine (rough, block, dark)
        + Sea Lantern
        + Wet Sponge
        + Iron Trapdoor
        + Slime Block
    * Improved the 2D map:
        + More zoom levels
        + Mouse wheel scrolling zooms, Ctrl+Scroll changes layer
        + Fixed tearing issues
        + Improved performance for large map views
        + The name of the biome under the cursor is now displayed in lower-left
          corner of the map
        + Improved the rendering of many blocks in the block-layer mode
    * Right-clicking in the 2D map now opens a context menu with options to
      cre ate a new scene, load a scene, or clear the current selection
    * (potentially) Fixed issue causing the render preview window to display
      white after being closed and re-opened
    * Using the -snapshot command without arguments now prints a list of all
      available scenes in the scene directory
    * Using the -snapshot command without a destination PNG file name now
      automatically picks a filename based on the scene name and current SPP
    * Depth of field now only uses one scene variable (removed infDof variable)
    * Fixed corner Acacia/Dark Oak stairs rendering issue
    * Hay bales now render with the correct orientation
    * Fixed sign texture loading error (item icon was loaded rather than the
      entity texture)
    * Fixed error causing rayDepth setting to not be saved for scenes
    * Fixed error preventing naming and overwriting of custom camera presets
    * Added checkbox on the Advanced tab of Render controls which enables
      automatic shutdown of the computer after render completion
    * Fixed error in the rendering of iron bars