Merge pull request #2 from turbokim/master

Windows build fix: changed COLOR_BACKGROUND to VIEW_COLOR_BACKGROUND
Initial translation files.
Updated translation files.
Remove empty DXF file.
Cleanup comments.
Updated translation files.
Updated translation files.
Added translation capability to scripts.
Updated translation files.
Obsolete signal/slot removed.
Updated README with Ubuntu notes.
Updated installed files.
Property Editor improvements.
Added Fleur-de-lis-R2004.dxf sample.
More translation work.
help directory is now a git submodule.
Updated README file.
Updated translation files.
Added Language Settings.
Command Loading Tweak.