Use make install instead of broken rule in a custom script
Close #5891
Also move headers installation from said script to package.mak

We should use make install in the main directory but for some reason
the rule recurses and never ends
(cherry picked from commit 860a7e5c)

Conflicts:

	extras/package/macosx/package.mak
	projects/macosx/framework/Pre-Compile.sh