Fix typo in README (user->organization)
updating README.md

Adding more instructions for running knife opc on the server itself, to improve clarity
Update readme to mention chef-server-ctl wrapper commands
Update installation directions
Add Chef Server 12 to the description
chef-server-ctl only exists on Chef 12
Add an `opc org edit` command.
Use early exit rather than if-else to improve readability.
Merge pull request #22 from opscode/ssd/add-org-edit

Add an `opc org edit` command.
Added command knife opc user password.

Command either updates the password for a user or, if --enable_external_auth is passed instead of a password, it will enable ldap for that user.
Merge pull request #20 from opscode/tc/add-password-cmd

Added command `knife opc user password`.
Merge branch 'bug/show-new-private-key-after-user-edit' of https://github.com/nomadium/knife-opc into nomadium-bug/show-new-private-key-after-user-edit
Typo: unchaged -> unchanged
Add --input flag to user-edit