Reposition bindir, and resurrect console and setup

`bin/awspec` -> `exe/awspec`
`lib/awspec/bin/toolbox` -> `bin/toolbox`

awspec.gemspec

@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
   spec.license       = 'MIT'
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.bindir        = 'bin'
+  spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 

bin/console

@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+
+require 'bundler/setup'
+require 'awspec'
+
+require 'pry'
+Pry.start

bin/setup

@@ -0,0 +1,5 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+bundle install

doc/contributing.md

@@ -3,9 +3,9 @@
 ## Add new resource type (ex. Redshift resource)
 
 1. Create your feature branch (`git checkout -b add-type-redshift`)
-2. Generate template files (`bundle exec ./lib/awspec/bin/toolbox template redshift`)
+2. Generate template files (`bundle exec bin/toolbox template redshift`)
 3. Fill files with code.
-4. Generate [doc/resource_types.md](doc/resource_types.md) (`bundle exec ./lib/awspec/bin/toolbox docgen > doc/resource_type.md`)
+4. Generate [doc/resource_types.md](doc/resource_types.md) (`bundle exec bin/toolbox docgen > doc/resource_type.md`)
 5. Run test (`bundle exec rake spec`)
 6. Push to the branch (`git push origin add-type-redshift`)
 7. Create a new Pull Request