Squashed 'External/CouchCocoa/' content from commit d4d5f60

git-subtree-dir: External/CouchCocoa
git-subtree-split: d4d5f604b4e203d2416c385ecf7c61819e5808f8
Merge commit 'da5b1b46227a55d8030d5f35d488b490056f3d34' as 'External/CouchCocoa'
Squashed 'External/TouchDB-iOS/' content from commit 3829e0b

git-subtree-dir: External/TouchDB-iOS
git-subtree-split: 3829e0b0b22f109dab2b365a0856d6a442965724
Merge commit 'e31addc0b3d85f56be6eb384f4fb2932d7d77931' as 'External/TouchDB-iOS'
Added subtrees submodules to main repo.