#40 XPesque look

[F Richter]

- new XP style file icons, new icons for some of the
toolbars, nicer application icons
- manifest so that XP themed controls are used
- system error/warning icons are used instead of custom
ones
- small fix to cjlib so that filesystem objects don't
appear in the explorer panel

[F Richter]

XP style icons

[Oliver Giesen]

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The icons look good to me apart from the Annotate icon,
which is a bit... well, it doesn't really tell much, does it?
Can't comment on the code changes.
Is this likely to get in before the 1.4/2.0 release?

[F Richter]

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Well, the icon set isn't finished anyway yet, so some work
would be needed to make the look completely XP-style.
About the code changes: most of them are mainly just stuff
to load different color depth images depending on OS and
actual screen color depth.

[Shankar Unni]

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Also, the three "add" icons (add, add binary and add
unicode) need to be tweaked so that the "01" and the "U"
stand out a lot more prominently. Because of the colors
used, they tend to fade into the background..

[alan johnson]

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needs looking at though