Does the platform accepts linker scripts?

Property definitions

nitc $ Platform :: supports_linker_script
	# Does the platform accepts linker scripts?
	fun supports_linker_script: Bool do return true
src/platform/platform.nit:122,2--123,48

nitc $ AndroidPlatform :: supports_linker_script
	redef fun supports_linker_script do return false
src/platform/android.nit:43,2--49

nitc $ EmscriptenPlatform :: supports_linker_script
	redef fun supports_linker_script do return false
src/platform/emscripten.nit:37,2--49