0.1.6 alpha

Bug fixes and some improvements.

• Fixed water tileset animation not working.
• Added proper grass tileset (block id 4).
• New CC0 background.
• Game now accepts command-line parameters to choose resolution.
• Improved memory usage due to a better flyweight pattern usage.
• New file "config.properties" from which is possible to customize some of the game configuration.
• Fixed missing null-initialization of game_map and world variables.
• Slightly improved menus.
• Added eclipse build configuration for experimental fgeal SFML wrapper.
• Added very experimental eclipse build configurations for MSVC (except Allegro 5.0 and SFML 1.6)
• Converted progressive jpeg images to non-progressive jpeg for compatibility with SFML wrapper.
• Better compiler linker flags when dealing with Allegro 5.
• Lots of refactoring.

(Again if you wish to build the game from source, it's easier to use the terrarium-xxx-source.tar.gz package instead of the Github-generated package, since the former already contains its git submodules' source code shipped.)