Prior to this commit, many of the classes in this project were declared
in two lines. The first line would put them in the context of the module
they belonged to, and the second line would declare the class and deal with
inheritance. In order to make the code more readable and to allow
require statements to be moved to the top level, turn all class declarations
into one line statements.
Refactor the actions module so that it is a class. This is important
because it allows us to keep `Puppet[]` calls out of the library and
have them in the face itself. Additionally, move a few things around
(like `check_required_features` since it makes require statements
cleaner) and clean up some comments.
Refactor the code in the strings face and extract much of the functionality
into a separate library in order to make the code more readable and
sustainable. Additionally, remove the `modules` action from the face
since it does not have a clear use case currently. However since the `server`
action depends on it, and it may be helpful to add other features in the future,
extract the functionality previously contained in `modules` into a helper
method.
Since we don't want the name of the tool to reflect the fact that
it is using yard internally (this is an implementation detail), rename
the face to `strings`. Now when one wishes to generate documentation,
`puppet strings` will be used rather than `puppet yardoc`.