Warnings fixes
* Suppress `missing-braces` for Clang
* Fixed many C4275 warnings
* Fixed almost all Clang/GCC warnings
* Silence most frequent MSVC warning.
* Fixed some pessimizing-move warnings
* Fixed some unused capture warnings
- macOS: RPATH-related code all removed or disabled
- macOS: new osx/CMakeLists.txt to run some install-code running after all subdirectories
- Assets copying into the runtime output directory implemented for Mac and Linux development
- Most of outdated CMakeLists code removed.
- All Mac-specific code is removed include Sparkle support and vcmibuilder app.
- DMG buidling reimplemented using macdeployqt command.
- Use EXCLUDE_FROM_ALL for FuzzyLite and GoogleTest to avoid inclusion of unneded headers and libraries into installers.
- Set minimum CMake version only in main CMakeLists.txt
- Set project name only in main CMakeLists.txt
- Visual Studio: add assign_source_group function to generate proper filesystem tree
- Visual Studio: set PROJECT_LABEL so generated projects have same names binaries on Windows
- Visual Studio: enabled USE_FOLDERS for projects grouping. This also possibly affect other IDEs.
- Added add_subdirectory_with_folder function to make sure 3rd-party libraries are affected by USE_FOLDERS.
- vcmi can play music files from archives
- converted resource_reward fields in bank_config into json object, fixes 3000 gems reward in shipwreck
- some compile fixes for minizip
- minizip library is now part of sources, located at lib/minizip
- cmakefiles will compile minizip as dynamic library (Note: only 2 files used by vcmi are included in minizip.so)
- zip files can be loaded similar to other archives via filesystem.json
- mods can use Content.zip instead of Content/ directory. Files in directory will replace files in archive.
