Revert "ncm-accounts"

This reverts commit d36e2c228a8a8ce707d5dc0b40765a887b405025.
Revert "ncm-accounts: add a function 'keep_user_group()' to help adding"

This reverts commit 8f1094937dd76424056627d86e40eaa4ed09937d.
Revert "ncm-accounts: improve account preservation feature by replacing"

This reverts commit 87ff0ec2576518c5e334122fecc39e741ef9ab87.
Revert "ncm-accounts: add apacheds to the list of kept groups/users"

This reverts commit f6ffac9e1270e634902d38d25469231b45442462.
Revert "ncm-accounts: add Pegasus and VirtualBox related groups created above"

This reverts commit 9262a49f3d7b35db93eed0a40f7bdfb996dd86ed.
Revert "ncm-accounts: debug messages minor changes"

This reverts commit 8ea355693cdcb0b037b631a26cb1adb4a1a32c92.
Revert "Improve shadow file management"

This reverts commit db4c3b4386ba6d170a14003e437fcea51f9e8c6f.
Revert "ncm-accounts: add ability to manage /etc/login.defs"

This reverts commit 7b0fabc4ea7a4c132e03ff7cd4785676b6442ed9.
Revert "ncm-accounts: fix typo in documentation"

This reverts commit d70132fe5d510344f378f8fc591db6c34643c7b8.
Revert "ncm-accounts: ignore existing shadow entries without a matching entry in"

This reverts commit 758d888db5239703d51f64fc52c5ddce5bb432a5.
Revert "Add a property to select if system accounts must be preserved and document it"

This reverts commit 023bee370e08d4ed37f3e58406891af3368aa76c.
Revert "Keep all accounts/groups in the system range"

This reverts commit f0a72304658b366df92c6a6b133a1d3e34a47908.
Fix bug in an example
Merge pull request #7 from piojo/fix-metaconfig-docs

Fix bug in an example
Merge pull request #8 from piojo/revert-ncm-accounts

Revert ncm accounts to a state where all tests pass.