Squashed 'src/hiredis/' content from commit cc3ee45

git-subtree-dir: src/hiredis
git-subtree-split: cc3ee4532533179c589d3f15feb0c76bed96cdb2
Merge commit '8fbc1729c60e3bff84eaa95f695e655cfa251d97' as 'src/hiredis'
hello redis?...
we're not using libevent for redis
compile in hiredis
slow down that test... just a little bit.
another test
refactor WIP -- fails channel isolation test (!)
more thorough channel isolation test
Merge branch 'redis' into modularize