added SlackMsg type
remove generic User, instead pass entire SlackMsg

this begins the modification of Haskbot away from a generalized chatbot
into a Slack-specific bot to make use of the more interesting Slack API
features
convert to Text whatever is not parsed via Parsec
oops I accidentally rewrote all Slack interfaces
removed Parsec stuff because SIMPLIFY
pack redis interface with ByteString/Text conversions
greatly simplified Redis interface
revamp of Redis connection
unneeded function
Settings.hs should not be added to repo
added fromText function to Channel
remove unneeded parsec dependency
Plugin now uses standard Slack types
removed unneeded parser tests
first of the incoming slack response module created
formatting changes to SlashCom module
spec helpers no longer function for new plugin style
more type-safe plugin architecture
deleted a whole ton of crap
updated server to respond with incoming slack request