Update the install instructions to reflect the changes for an integrated git-subtree. Signed-off-by: David A. Greene <greened@obbligato.org>
git-subtree-dir: contrib/subtree git-subtree-mainline: e8dde3e5f9 git-subtree-split: d3a04e06c7
e8dde3e5f9
d3a04e06c7