Fixed mergeLocalizations for non-numeric object IDs
Mark project file as using spaces for indent
Support strings containing literal percents
xibLocalizationPostprocessor uses DMStringsFileParser

Line count increased slightly, unfortunately, but there's more symmetry.
Add empty combineStringsFile target
Add convenience method to DMFormatString, and tweak
combineStringsFiles does basic combining

No comment handling yet.
combineStringsFiles combines comments
Localized string comment will prevent parsing as format string

This works around an issue with the string "% fat" parsing as a valid
format string in English, but probably not when "fat" is translated.
Remove "do not localize" markers from mergeLocalizations

This is already handled by xibLocalizationPostprocessor, and doesn't
need a duplicate string.
Fix uncomfortable and inconsistent spacing