Windows - JNI variable sizes changed for 64-bit
Windows - Correct search path for Html Help Workshop
Updated JRE version in windows/lightzone.install4j
Added -llzma in lctiff.mk; fixed dll finding errors on Windows
Commented out "-D__int64=long long" that prevents libtiff build
Windows - Updated build instruction for mingw64
Windows - Static link to libgcc and libstdc++ from LightZone.exe