Redesigned the Add Player interface using jQuery UI Dialog
Preventing the Add Player interface from being resizable.
Fixes #4. Reuses almost all the code from the add player form
Renaming player form variables.
Fixed bug that causes the edit player contents to remain after cancel.
Fixed bug that causes the edit player contents to not populate.
Resolves #9. Partially at least. New users get the most rudimentary of introduction to the application.