POTFILES.in: add missing l10n for mac update dialog
macosx: add missing l10n for metadata access checkbox
macosx: fix missing selector for metadata checkbox
macosx: audio effects: simplification
macosx: audio effects: fix behaviour of cancel button in organize profile dialog box
macosx: enlarge button in prefs for l10n
macosx: CAS: enlarge some buttons for l10n
macosx: addons manager: increase buttons for l10n
macosx: kill one string