[ios] lock scanner orientation to portrait
[ios] lock scanner orientation to portrait

sovanta/phonegap-plugin-barcodescanner-custom-ui,sovanta/phonegap-plugin-barcodescanner-custom-ui,Keyoniq/phonegap-plugin-barcodescanner,sovanta/phonegap-plugin-barcodescanner-custom-ui,Keyoniq/phonegap-plugin-barcodescanner,Keyoniq/phonegap-plugin-barcodescanner,Keyoniq/phonegap-plugin-barcodescanner,sovanta/phonegap-plugin-barcodescanner-custom-ui,sovanta/phonegap-plugin-barcodescanner-custom-ui,Keyoniq/phonegap-plugin-barcodescanner