Squashed 'floo/common/' changes from ad76d66..6d59c01

6d59c01 Allow users to specify share_dir per-host.
1ab4c31 Extra newline.
ca747bd Merge commit '6375fee8978b5675826b961c756727f01c94965f'
00293cd Set OUTBOUND_FILTERING to False if we're hitting an enterprise instance.
fe39e48 Re-add common changes after subtree add.

git-subtree-dir: floo/common
git-subtree-split: 6d59c01d37df405c5d94c18b11003a3ff66eae90
Merge commit 'f6c79192c6cd89358a2a2df09b3934f2a93fb639'
Bump version.