Minor correction in Area Viewer
32-bit support and bugfixes in BMP viewer
New Area Viewer and many corrections

- implemented a new area viewer from scratch, featuring
  - switch between day/night WEDs
  - switch between opened/closed state of doors
  - enable/disable different item layers (e.g. actors, triggers, doors)
  - item-specific information on click and mouse over
- many corrections related to the new area viewer
- all duplicate resource entries have been numbered for easier external
access
- new field added to infinity.resource.wed.Tilemap
Bugfixes in Area Viewer

- bugfix in tileset loader
- optimized drawing order of layers
- added informative tooltips to layer checkboxes
- made polygon creation more robust
- added more Javadoc comments
Merge remote-tracking branch 'upstream/devel' into devel
More Area Viewer related fixes
Code cleaned up and updated to Java 6 standard
Regression fix related to LongIntegerHashMap
Slightly easier to pass compilerargs to Ant