This adds a basic CRUD for the key/value store provided by Cloudmine. It serves as an introduction to the interface that can be extended.

Here's the API we're working against:
https://cloudmine.me/docs/api#app_objects

Closes #1

LGTM given by: @armyofgnomes, @codenamev

Squashed commit of the following:

commit ef9578b2c7122116d16b95394cd75b40208ff4f7
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Wed Jun 26 11:46:34 2013 -0400

    more cleanup

commit 2a6a45ec038205c5b1b110d1609448b4c425ccfe
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Wed Jun 26 11:38:43 2013 -0400

    Refactor for api_url

commit 1c6ccde75274062d83d8556cb3c330b844332563
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Wed Jun 26 09:17:39 2013 -0400

    Endpoint update for destroy

commit 559a8f1c913ca3f8c6287112d37f7c0c854c7243
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:55:43 2013 -0400

    Better response code handling and parsing

commit add5615132c56755d67649c4264cd11f8cfbb9d1
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:46:01 2013 -0400

    Rescuing only on parse errors

commit d862206b27c681acd0300bb3920c309fa1647fb6
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:40:50 2013 -0400

    Basic cleanup

commit 35792ac4c235458b6a8fbd15a1775084e086d1f3
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:34:03 2013 -0400

    loosens gemfile

commit bf373d8f5c973e9f26f8cc146bc9c7d1a95d702b
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:21:12 2013 -0400

    Updated readme

commit 63acc06f97b60eeaf748b3fd23635cba328844c9
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:13:03 2013 -0400

    CRUD for objects is complete. Release.

commit 0815af1558a568c7f4fb2ae73ceb56dbf2b06375
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 16:04:32 2013 -0400

    Destroy

commit be98551fcb6e20c2f4aa300137ccc622d2632008
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Tue Jun 25 15:56:20 2013 -0400

    Create working. other methods coming up