Create two classes for Log and Logs in order to get
a simpler representation of the validation Log and
provide easy way to manage the log data informations
Change-Id: I743355cef943e43492264d4c4700bebbeab9a37d
Move all validation actions into a ValidationActions class
in order to have one object with several validations actions
Add group info implementation
And add group object like validation object to have
a simpler representation of the validation group.
Change-Id: Idc7a55e26de20968f0a6a90f2a005d21a30c9e70