Fix texture glitches for plants with visual scale > 1.0 (jungle grass).
Speedup mapblock_mesh
Remove vector assertions

These were initially added to get tracebacks for invalid vector errors, but it
didn't work and tracebacks have since been properly fixed in the core.
Bugfix in makeCuboid - apply rotations to all faces when 1 tile is given.
Add rotation for plantlike drawtype.
Allow full circle rotation with 2degs step for plantlike drawtype.
Dont display interior of glasslike_framed node when its not defined.
Fixes https://github.com/minetest/minetest/issues/1514
Don't include cmake_config_githash.h into files that don't need it
Rework texture generating code, add texture grouping via ( ... )
Add ZLIBWAPI_DLL and LEVELDB_DLL CMake options Remove legacy MINGWM10_DLL CMake option Update 32-bit buildbot (OpenAL updated, zlib updated) Change build directory for buildbots to '_build' to prevent removal of Android build files Use -win64 suffix for 64-bit Windows builds Fixes #1476
Fix issue 1527
https://github.com/minetest/minetest/issues/1527
Disable preload_item_visuals by default

This can delay connections by several minutes.
Formspec escape fixed seen in world creation menu
Move #includes from version.h to version.cpp