Skip non-existing files when compressing

• Do not throw exception if a file could not be found when we try to compress it ( just show message, skip and try next )

Removed artifacts and new process indication

• Solved artifacts bug
• New process indication

Tilesize config

• tileSize can now be set in config. (Defaults to 1000x1000 meter)
• Bugfixes

Initial release

• base dll and tool
• generate building/objects tile options (using overlap method to determine what tile a building is in)
• generate terrain tile options (using clipping to cut of cityobjects within the tile region)