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

Clean and optimize clouds.cpp enough to not really contain any of the small amount of non-LGPLv2/later code left

Switch the license to be LGPLv2/later, with small parts still remaining as GPLv2/later, by agreement of major contributors

Defaults modified from original: alpha=200, key=F10

Update /README.txt, remove duplicate /doc/README.txt and update CMakeLists.txt to package /README.txt

german translation file
and bashscript to update translations

german translation file
and bashscript to update translations