Introducing Lotus::Environment as object who's responsbile to deal with env vars and cli options
Removed file commited by mistake
Let Lotus::Configuration to set the proper host/port according to the command line args that we pass to 'lotus server'
Lotus::Environment refactoring: extract private method for better readability
Make Lotus::Environment thread-safe
Ensure to reset env vars for Lotus::Configuration tests
Removed from configuration port conventions about the current scheme. Only let the current env and the explicit configuration to set this value.
Discard a 'let' declaration in server test, in favor of an inlined value
Merge pull request #39 from lotus/environment

Environment
Add a simple `lotus console` command

`lotus console` will spawn an IRB (or Pry, if bundled) session that
loads the application code. This is a very basic analogue to `rails
console` and would be nice for testing out code ideas or modifying the
database.

Signed-off-by: David Celis <me@davidcel.is>