Littlechef

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* FIX: pushcx fixed errors when a non directory file was present in cookbooks/
* FIX: pushcx fixed errors when a role doesn't have a description or attributes

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* NEW: Igal added site-cookbooks support
* NEW: Igal made LittleChef run with the newest fabric. Fabric 1.0+ is now required
* NEW: Special effects: colored output!
* NEW: Nicer displaying of node, roles and cookbook information
* FIX: Igal changed node's chef-solo directory to improve security, together
with other fixes
* FIX: Added first unit tests!

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* NEW: cocoy added keypair support
* HOTFIX: Require exactly fabric 0.9.3, as fabric 1.0 has been released with
backwards incompatible changes that break LittleChef

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* NEW: "list_recipes" now shows only a simple name list.
The old, detailed list_recipes has now become "list_recipes_detailed"
* NEW: oldpatricka added support for Scientific Linux in deploy_chef
* NEW: emilsit made gem install much faster by not installing rdoc and ri
* NEW: new_deployment doesn't overwrite auth.cfg if already present
* NEW: Improve node.json and metadata.json error reporting
* FIX: wget is now installed for "apt package" and "rpm gem installation"
* FIX: emilsit refactored new_deployment so that it doesn't use fabric
but directly python instead. Fixes auth.cfg creation for some OSs

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* NEW: The saved node.json doesn't have any custom littlechef fields anymore
Migration: You need to call your nodes by their DNS hostname or public IP
* FIX: Improvements to error messages when metadata.json is not present in
a cookbook (only metadata.rb)
* FIX: Various improvements to role and node printing

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* NEW: The saved node.json won't contain littlechef fields anymore if you don't use an IP
* NEW: When configuring all nodes, if node configuration fails abort
* FIX: Importing littlechef.py was failing for one particular case