Added wxWidgets 2.9.5 binaries and build scripts
Updated launcher manifest and resource file; resigned windows executable (helps #89).
Removed binary libraries not currently used.
Added dll proxy to make LfW libraries to work with the IDE.
Removed files for handling preferences that are no longer used.
Added a property to store wxwidgets version.
Updated MANIFEST for OSX dylib changes (helps #89).
Switched to 'native' menu on OSX and added 24x24 icons required (helps #89).

Removed Cut/Copy/Paste/Undo/Redo icons from the toolbar as these are
rarely used and were taking too much space.
Fixed an issue with full screen mode on OSX with wx 2.9.5 (helps #89).
Updated editor handlers to improve performance on OSX with wx2.9.5 (helps #89).
Added multiple selection and multi-cursor editing (wx2.9.5+).
Updated file loading logic for a small performance improvement.
Updated handling of markdown styles to make it more robust (fixes #59).
Updated keywords to be re-applied after SaveAs only when needed.
Fixed rearranging editor tabs with drag and drop (helps #89).
Reorganized code to allow references to wxver from default style generation.
Updated large icons for "native" toolbar on OSX (helps #89).
Updated binaries with a patched version of wxlua (helps #89).

The patch is needed to fix live coding issue with wxlua applications. Also
uses a more recent version of wxwidgets, that fixes menu hint on OSX.
Updated function call indicator to use round box with wxwidgets upgrade (helps #89).
Removed checks for Windows in font setup; now uses default font.