Add some files missing in the HiB vesions for MacOSX/Linux, for completeness.

They are not GPL licensed but for the sake of easier updating it's better
to have them in the repo.

I've been shipping them with the updatepacks I posted at the forums:
http://www.bit-blot.com/forum/index.php?topic=4313.0

In case of doubt, here's a twitter conversation that putting
those files out was okay:
https://twitter.com/fgblurb/status/173485302416023552
https://twitter.com/infinite_ammo/status/173501010008997888
https://twitter.com/fgblurb/status/173506934467592193
https://twitter.com/infinite_ammo/status/173508138207686657
https://twitter.com/fgblurb/status/173508595755925504
Win32 resource file update, icons, and one little float->int cast fix in ScriptInterface
Get rid of AQUARIA_FULL define and move the setting to usersettings.xml. Some changes regarding AQUARIA_DEMO.

This means there are no longer two builds necessary (one normal,
one dev), and all mod deveopment can be done using one build,
by setting

Demo builds now allow browsing the online mod list, but neither
downloading nor starting mods or applying patches.