Move include installation steps to better location, inside each include dir instead of at the top-level.

Also, don't set NO_INSTALL=1 for c-index-test.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102724 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed