Various changes to improve compilation of RT on macOS thanks to @Benitoite and @Pandagrapher
* mac: use sed -i.bak, add X's to mktemp template in macosx_bundle.sh
* mac: test lensfun version in macosx_bundle.sh to select correct lensfun database version (version_1 for 3.2 and version_2 for 3.95)
* mac: remove DYLD_FALLBACK_LIBRARY_PATH from main Info.plist
* mac: removes some -cli codesigning commands
* mac: remove erroneous newlines in macosx_bundle.sh and suppress superfluous codesigning of Contents/Frameworks/*dylib
* mac: Apple arm64/homebrew compatibility update
* mac: CMakeLists.txt arm64 homebrew compatibility
* mac: add Apple arm64 CPU native flag
* mac: fix pixbuf query syntax
* mac: adapt. of Pandagrapher's patch
* mac: additional instructions for the -cli exec.
* mac: revert target 10
* mac: remove legacy environment variable Per https://github.com/Beep6581/RawTherapee/pull/5786#issuecomment-792276656
* mac: fix destination of credits/license
* mac: copy {LOCAL_PREFIX}/share/locale to bundle
* mac: fixes a path for the License
* mac: fix of UpdateInfo command structure
* mac: remove redundant copying
* mac: use cmake to configure Info.plist values
* mac: configurator for Info.plist version values
* mac: fix locale detection / language
* mac: remove an outdated key from Info.plist
* mac: fix path usage for gtk.immodules / locale dir
* mac: revert a change merged elsewhere
* mac: follow more symlinks for 'brew builds
* mac: link to CoreFoundation for locale detection
* mac: link CoreFoundation for locale / C
* mac: detect locale with CoreFoundation per https://github.com/Beep6581/RawTherapee/pull/5786#issuecomment-798926898
* mac: remove outdated lines
* Update multilangmgr.cc
* mac: Info.plist language fixes (Pandagrapher) https://github.com/Beep6581/RawTherapee/pull/5786#issuecomment-813004475
* Mac: also package libpng12 for homebrew compatibility.
* macOS packaging and language updates
Several smaller fixes to provide an improved handling of installing/using RT on macOS.
* mac: update entitlements for 10.15.4
* mac: fix the CLI. Provides an un-codesigned rawtherapee-cli outside the app bundle for use on the terminal command line, using the app bundle's 3rd-party libraries.
* How to install RawTherapee.app and rawtherapee-cli for macOS
* update macOS autobuild yaml
* updates */CMakeLists* for macOS autobuild compatibility
* "" a dir for cmake
* Un empty an empty EXTRA_INCDIR
* use a cmake operator
* Use the . dir to un-empty a string
* fix minutes timer in macos yaml
* test & skip instead of load & include
* disregard fractional part of minutes in mac yaml
* add another cmake test
* fix typo in mac yaml
* fix other part of same typo
* correct a filename in mac yaml
* test all include dirs
* fix of mac yaml
* mac:fix a path in yaml
* mac:and its antecedent
* options.h include a dir
* test __has_include (gcc 5.* & up & clang)
* remove a printf() in mac yaml
* mac:change a "" and an elseif() to else()
* fix a whitespace error
* fix 2 whitespace errors
* ZULU>UTC
* add a "UTC
* on the other side of the "
* mac:properly set default LOCAL_PREFIX in CACHE
* use of zsh subshells in macos yaml
* mac:remove some &&
* mac:remove some "
* mac:floating point divisors
* mac:use double paren (())
* mac:add a dir
* mac:floatize with decimal point
* mac:zsh -c certain lines
* remove a marker
