Delphi Menu Plugin 0.4.3

Additions

• Replace Bukkit's conversations for input elements with new Dialogs
• Added getSource() method to stylesheets
• Added /delphi devtools and /delphi devtools <menu name> for opening devtools easily

Changes

• Add support for prompt attribute on <input/> elements
• Update translations
• Add translations support to devtools
• Made input event cancellable
• Update devtools

Fixes

• Fix wrong method call that resulted in NPE in ViewBuilderImpl