FMSLogo Code

Implement feature #59; use a new icon that doesn't look like a mismash of red, white, and black. The icon was provided by Jan Grabe. I converted it to a Gimp image so that it could be converted to XPM and would be easier to make modifications to later.

Fix the expected output of infinity to match the output of gcc, instead of Borland's compiler. Now that the Borland OWL version of FMSLogo has been removed from the source tree, there's no reason these tests should fail when run from the only FMSLogo version that remains.

Use the same icon for the screensaver as in the main FMSLogo environment. Previously the screensaver used the same icon as the Borland version of FMSLogo and the wxWidgets version used its own icon to account for the way wxWidgets works. Since the Borland version no longer exists and the screen saver uses wxWidgets, it doesn't make sense to maintain two icon files.

Fix bug #471; the uninstaller now removes the preferences that are stored in the registry.

Disable the screensaver component when running as a standard user, since attempting to install it will always fail. I could have removed it completely, but I want it to appear to make it discoverable by people who might otherwise not know that it exists.

Add the UserInfo plugin as a "reserve file" in the NSIS installer for faster installation startup (this eliminates the "unpacking data - xx%" dialog box as it no longer needs to decompress everthing to use the plugin in onInit). In addition to a more responsive UI, this also fixes a localization problem, as the text in that dialog box was not localized according to the selected language.

Refactor the installation script so that all language strings are in the same place and use the LangString command. This makes the code easier to read and easier to localize.

Update the Features and Sources sections based on recent changes:
* FMSLogo doesn't support non-true color displays
* fmslogo.exe and screensaver are both built with mingw-w64 and wxWidgets

Remove the directive to exclude the "CVS" directories when packing the Logolib and Examples directories into the installer. This is a vestige from when FMSLogo's revision control was CVS. Now that it uses Subversion, this is no longer needed.

Update the installer to use the NSIS "Modern UI 2". Among other things, this has a richer UI, a configurable start menu shortcut dialog, and better support for a multi-language installer.

This also implements feature request #37, which is an explicit "done" page in the installation wizard.