L3DT release v16.05

Released on the 5th of May, 2016 (see announcement)

• Added 64-bit version of L3DT Professional.
• Added atEdgeLeveller plugin.

• Fixed crashing bug in 2D view when viewing water map.
• Fixed bug in L3DTio_TIFF that prevented loading of small (single strip) maps, due to misreading of strip offset (see bug report, also here).