update luajit

update luajit to 61464b0a5b685489bee7b6680c0e9663f2143a84 to fix crash issue on arm64.

remove tiff

metal-support-11

remove tiff (#366)

update glfw to 3.3

v3-deps-160

update libglfw3.a (#364)

update glfw to 3.3

metal-support-10

update libglfw3.a (#363)

support using custom 3rd library

Allow custom 3rd party libs missing option fix (#360)

* Allow overriding the game engine external libraries with ones provided by the game.

* Fix for missing BUILD_EXT_UNZIP option.

remove jsb related libs

metal-support-9

remove jsb related libs (#355)

update glsl-optimizer

metal-support-8

Update version.json

update glsl-optimizer

fix uniform buffer alignment error in metal

update glsl-optimizer

Support global variable and uniform used in custom shader function.

modify header search path style

 modify header path include style (#347)

* modify header path include style to fix ALWAYS_SEARCH_USER_PATHS is deprecated in Xcode 10

* update version