Change Search to Find

MuseScore uses the term 'Search' in the 'Edit' menu.

To be consistent with other programs (Dictionary, Firefox, Font Book, Google Chrome, LibreOffice, LilyPond, Opera, Preview), I think it's better to use 'Find...'.

Using MuseScore 2.0 Nightly Build (4de7b77) - Mac 10.7.4.