Merge pull request #19 from iuriandreazza/master

Refatored Directories
Add apply logic
move host edition to host_actions
Merge pull request #20 from helmedeiros/applyChanges

Add simple apply changes logic
change help to new metofo.
Merge branch 'master' of https://github.com/helmedeiros/macosx-host-changer
remove unnecessary import to inexistent file
add list all env host when nothing was informed
add list all env host when nothing was informed
add list all env host when nothing was informed
add final commands
separate the append hosts logic
move apply hosts functions from host actions to host apply
Merge pull request #21 from helmedeiros/applySearchingAndAppending

Apply searching and appending
define project name and top level discovery a first execution need
add the append option
fix top-level and project definition
finish append
Merge pull request #23 from helmedeiros/applySearchingAndAppending

Finish apply searching and appending
add ip validation