Update Localizable.strings

Updated the EL-GR translation
Update HIApplicationsViewController.strings
Update HIBackupCenterWindowController.strings
Update HIDebuggingInfoWindowController.strings
Update HIErrorWindowController.strings
Update HIFeeDetailsViewController.strings
Update HIPasswordChangeWindowController.strings

Updated EL-GR translation
Update HIPasswordInputViewController.strings

Updated EL-GR translation
Update HITransactionsViewController.strings

Updated EL-GR translation
Update HIWizardBackupViewController.strings

Updated EL-GR translation
Update HIWizardCompletedViewController.strings

Updated EL-GR translation
Update HIWizardPasswordViewController.strings

Updated EL-GR translation
Update HIWizardWelcomeViewController.strings

Updated EL-GR translation
Update MainMenu.strings

Updated EL-GR translation
strings & xib update