Remove the content option.

The value of content is populated based on the file parameter which is used
wip - let's see how much this breaks
Merge pull request #43 from komidore64/base-controllers

create katello base controllers for commands to extend
Fixing add/remove associated commands
Merge pull request #54 from daviddavis/temp/20140211151347

Fixing add/remove associated commands
removed create and delete commands for privider as the API docs have been removed from the server
Rubocop: Fixing failures
Merge pull request #58 from daviddavis/temp/20140214154118

Fixing rubocop failures
Ping was not working because it was not inheriting from the foreman commands.

Created a new ReadCommand for Katello which inherits from the foreman command.
Subclassed ping command from the new ReadCommand
ak-subs - activation keys list, info

ak-subs - cleaned up based on comments

ak-subs - cleaning rubocop
Merge pull request #60 from thomasmckay/ak-subs

ak-subs - activation keys list, info
Merge pull request #56 from jlconnor/jconnor-remove-content-providers

removed create and delete commands for provider as the API docs have bee...
Merge pull request #35 from bkearney/bkearney/hide-option-in-subscription

Remove the content option.
Merge pull request #57 from bkearney/bkearney/get-ping-to-work

Ping was not working because it was not inheriting from the foreman comm...
CI: Migrating to Travis
Merge pull request #66 from daviddavis/temp/20140220104848

CI: Migrating to Travis
here's a boilerplate set of commands for a katello object
Merge pull request #46 from komidore64/boilerplate

here's a boilerplate set of commands for a katello object
repository sets - list, enable, and disable commands
Merge pull request #63 from komidore64/repo-sets

repository sets - list, enable, and disable commands