libdeng2|Widgets: Defining focus cycle, added focus gained/lost events
libshell: Added ChoiceWidget that combines a label and a popup menu
Shell: Added dialog for starting a local server
libshell: Moving cursor is menu using letter keys as shortcuts
libdeng2: Added a method for reconnecting to previous address
libdeng2|Widgets: API improvements for Widgets and Rules
libdeng2: Command line startup directory

When using de::CommandLine to start a new process, the startup
directory is the same as for the command line used to start the
current application.
libshell: Added LocalServer for controlling local servers

Starting, stopping, and finding local servers.

Also updated the existing widgets for the Rule::Semantic enum.
Shell|Mac OS X: Functional dialog for starting a local server