Merging r196069:

Merging r196069:
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r196069 | alp | 2013-12-01 23:15:33 -0800 (Sun, 01 Dec 2013) | 6 lines

Update the LTO GoldPlugin documentation

 * Update build instructions to reflect the current source tree layout.
 * Don't inflict CVS on readers; there's a perfectly good git mirror.
 * configure with --disable-werror making it possible to build using clang.
 * ar and nm-new now support the -plugin option.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196136 91177308-0d34-0410-b5e6-96231b3b80d8