- Handle AC_CONFIG_SUBDIRS properly for existing "well known" projects   while still retaining the ability to configure unknown ones. - Excise crud left over from when test/Projects was still part of the main   LLVM module. These removed tests are now all in   llvm-test/autoconf/configure.ac
- Handle AC_CONFIG_SUBDIRS properly for existing "well known" projects
  while still retaining the ability to configure unknown ones.
- Excise crud left over from when test/Projects was still part of the main
  LLVM module. These removed tests are now all in
  llvm-test/autoconf/configure.ac


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@16230 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-llvm,dslab-epfl/asap,chubbymaggie/asap,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,chubbymaggie/asap,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,chubbymaggie/asap,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,dslab-epfl/asap,llvm-mirror/llvm,GPUOpen-Drivers/llvm,chubbymaggie/asap,llvm-mirror/llvm,apple/swift-llvm,dslab-epfl/asap,dslab-epfl/asap,dslab-epfl/asap,GPUOpen-Drivers/llvm,chubbymaggie/asap,apple/swift-llvm,dslab-epfl/asap,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,dslab-epfl/asap,GPUOpen-Drivers/llvm,chubbymaggie/asap,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm