ide: removed unused (debug) widgets from main form
ide: hide debug button and messages via DEBUGSVR compiler define
ide: added copyright notices to the source code units.
utils: Adds a new RTL wrapper to handle UTF-8 path names correctly.
ide: replaces RTL functions with fpGUI wrapper versions.
ide: Adds the ability to add a new empty unit

The new unit will be based on the ${templates}/default/unit.pas file.
ide: set current directory as we load a project file.

This means relative paths, used throughout the project, will be correct
ide: new empty unit template file.