remove redis module

Merge pull request vapor#527 from vapor/view-cache

view caching

Merge pull request vapor#517 from vapor/routing-fixes

Routing fixes

Merge pull request vapor#512 from vapor/misc-16

middleware + request parameters

Merge pull request vapor#509 from vapor/xcode-8-check

allow any xcode 8 build number

Merge pull request vapor#501 from qutheory/route-collection

route collection

database fix

add response representable

Json -> JSON fix

update environment description