Either shared or static (or both) libraries can be built now.
Executables (zint and zint-qt) are linked with the static library if the shared
library it not built.
HANXIN/QRCODE: use Hanzi/Kanji modes when compatible ECIs given
manual: one true source now manual.pmd from which manual.txt is generated
CLI: man page moved from frontend/zint.1.gz to docs/zint.1.gz, now
generated from docs/zint.1.pmd
add README.linux to root dir
PLESSEY: add options NCR weighted mod-10, hide check digit(s) in HRT
test suite: now runnable under MSVC 2019, 2017, 2015, MinGW/MSYS
win32/README: update with MSVC 2019 and CMake instructions
The dependency is implied by the target_link_library line. Manual dependencies
are a workaround to force re-execution of external tools with intransparent
side effects