Rubocop lint tests from @mlafeldt

Squashed commit of the following:

commit c5f2df3b961b65badae8ec4c9d00c991e962bf79
Author: Jordan Byron <jordan.byron@gmail.com>
Date:   Tue Feb 4 11:06:10 2014 -0500

    Run rubocop tests with the rest of the test suite

commit c55cb4539233a37ffe59f3d5fcecb38ce866209b
Merge: f5f475c 5de51a4
Author: Jordan Byron <jordan.byron@gmail.com>
Date:   Tue Feb 4 11:01:29 2014 -0500

    Merge branch 'rubocop' of git://github.com/mlafeldt/practicing-ruby-web into mlafeldt-rubocop

    Conflicts:
    	Gemfile.lock

commit 5de51a4eafd44764e303ec4052863e3ef14296f8
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 23:17:21 2014 +0100

    Add RuboCop Rake task

commit d52b2ba1d651efc872ab7af7e5238c4eba98b03c
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 23:12:27 2014 +0100

    Disable more cops so that no offenses are reported

commit 7c711900fd5491999d33e099ea26b10c099bad76
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 23:08:13 2014 +0100

    Re-generate todo list with newer version of RuboCop

    using `rubocop --rails --auto-gen-config`

commit 4b27a1a5dc467aff478a26208f2a4cd8e70e1994
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 23:05:43 2014 +0100

    Inherit from todo list again

commit b10fe8725056aba1188dabb8f9d5ad0e09c1e5f1
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 22:59:20 2014 +0100

    Update rainbow gem to use latest version of rubocop

commit dd638762c69935cf24de4e145980a11e6c67d059
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 20:36:19 2014 +0100

    Disable cops requested by Greg

commit 87edc8ac28b6d36d10507c6b2b74fa0ce8cd48c8
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 18:39:01 2014 +0100

    Add rubocop config files

commit d23a5b09e888de3d974bbfb2079ba60827a2e9e0
Author: Mathias Lafeldt <mathias.lafeldt@gmail.com>
Date:   Sun Feb 2 18:38:21 2014 +0100

    Add rubocop to Gemfile
Merge branch 'master' of github.com:elm-city-craftworks/practicing-ruby-web