changed where the ShowPreferencesCommand is located
Merge pull request #17 from dmaugeri/master

changed where the ShowPreferencesCommand is located
Merge pull request #18 from vserrago/master

Add Project class, project creation.
Merge pull request #19 from vserrago/master

Add Project.cs
Add Project class fields
Create project files

CreateProject now attempts to create all necessary project files, if
possible. Otherwise files and project are not created.
Add OpenProject command skeleton
Add JSON deserialization

The Project class is now serialized in formatted plaintext and
deserialized using Json.NET.