Move lib/Archive to tools/llvm-ar.

llvm-ar is the only tool that needs to write archive files. Every other tool
should be able to use the lib/Object interface.

llvm-svn: 184083
diff --git a/llvm/lib/Makefile b/llvm/lib/Makefile
index 57f016b..0a4435e 100644
--- a/llvm/lib/Makefile
+++ b/llvm/lib/Makefile
@@ -10,7 +10,7 @@
 
 include $(LEVEL)/Makefile.config
 
-PARALLEL_DIRS := IR AsmParser Bitcode Archive Analysis Transforms CodeGen \
+PARALLEL_DIRS := IR AsmParser Bitcode Analysis Transforms CodeGen \
                  Target ExecutionEngine Linker MC Object Option DebugInfo \
 								 IRReader