Revamped the UI, using haxeui from now on

Very WIP. Stablexui files will be removed soon
Scale the editor popup to the window size
UI clean up
Removed some trace()
Made a new class to manage saving & loading files
New font for the title
UI: misc changes
UI: wider text input for numbers
Moving & renaming files
[WIP] DungeonGenerator: adding comments, licence, renaming variables
Update FlashDevelop config file
adding DungeonManager, clean up

Added DungeonManager to manage the generators [WIP]
Added DungeonWrapper to help [WIP] might be deleted later
Moved all generation code from Visualizer to appropriate place.