Merge branch 'release/0.2.0' into develop
Add CONTRIBUTING.MD

Signed-off-by: Chris Aniszczyk <zx@twitter.com>
Merge pull request #67 from twitter/add-contributingmd

Add CONTRIBUTING.MD
Adds a bunch of scaladoc
Merge pull request #68 from twitter/feature/more-docs

Adds a bunch of scaladoc
Documentation only commit
Merge pull request #69 from twitter/feature/some-docs-for-algebra

Documentation only commit
add maven back in.
redis store
better data structure for indexed key lookup
make the interfaces of the redis and memache interfaces feel more consistent type-wise
typo in module name
add missing twttr license preamble
handle (small) potential for resultless keys with more grace
add storehaus redis to aggregated projects
basic cache trait
add withCache to readablestore object
redis needs more algebra
be bijectively flexible in RedisStore's value type
redis stores for ints and longs