Add my buildbot to list of libc++ buildbots in documentation

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@219894 91177308-0d34-0410-b5e6-96231b3b80d8
Fix bad link in documentation. Thanks to rsmith

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@219898 91177308-0d34-0410-b5e6-96231b3b80d8
Merge branch 'master' of http://llvm.org/git/libcxx
Merge branch 'master' into abi-script