Added jline-console module

[mattirn]

Added a new module jline-console that contains implementations of command registeries, object printer and widgets.

New classes:

org.jline.console.impl.DefaultPrinter
org.jline.example.Console

Moved classes:

org.jline.builtins.Widgets.CmdLine               -> org.jline.console.CmdLine
org.jline.builtins.ConsoleEngine                 -> org.jline.console.ConsoleEngine
org.jline.builtins.SystemRegistry                -> org.jline.console.SystemRegistry
org.jline.console.AbstractCommandRegistry        -> org.jline.console.impl.AbstractCommandRegistry
org.jline.builtins.Builtins                      -> org.jline.console.impl.Builtins
org.jline.builtins.ConsoleEngineImpl             -> org.jline.console.impl.ConsoleEngineImpl 
org.jline.builtins.JlineCommandRegistry          -> org.jline.console.impl.JlineCommandRegistry
org.jline.builtins.SystemRegistryImpl            -> org.jline.console.impl.SystemRegistryImpl 
org.jline.builtins.Widgets                       -> org.jline.widget.Widgets
org.jline.builtins.Widgets.AutopairWidgets       -> org.jline.widget.AutopairWidgets
org.jline.builtins.Widgets.AutosuggestionWidgets -> org.jline.widget.AutosuggestionWidgets
org.jline.builtins.Widgets.TailTipWidgets        -> org.jline.widget.TailTipWidgets
org.jline.console.ConfigurationPath              -> org.jline.builtins.ConfigurationPath